Para investigar - Posición del cuerpo en general. - Posición de la cabeza. - Posición de los brazos y manos. - Apoyo de los pies. - Como deben ser los movimientos.
Answers
Answer:
Algunos se mueven en dos direcciones y algunos se mueven en las cuatro direcciones.
Explicación:
Para investigar la posición del cuerpo en general, la posición de la cabeza, la posición de los brazos y manos y los pies tienen algunos movimientos específicos. Algunos se mueven hacia arriba y hacia abajo significa en dos direcciones mientras que el otro se mueve en todas las direcciones. Los brazos se mueven solo hacia adelante y hacia atrás, mientras que, por otro lado, los pies, la mano y la cabeza se mueven hacia la izquierda, la derecha y hacia arriba y hacia abajo.
Related Questions
when a dielectric is added between two parallel plates, does the capacitance increase, decrease, or remain the same?
Answers
When a dielectric is added between two parallel plates, the capacitance increases.
The dielectric increases the capacitance of a parallel plate capacitor because it reduces the electric field between the plates. A dielectric reduces the capacitance of a parallel-plate capacitor, but only if it is inserted at an angle to the electric field lines since it decreases the electric field, which in turn decreases the potential difference across the plates.The capacitance of the capacitor is increased by inserting a dielectric material between the plates because the capacitance depends on the material between the plates. It lowers the electric field and increases the potential difference.
This, in turn, raises the capacitance of the capacitor. When a dielectric material is placed between the plates of a capacitor, the charge on each plate is unchanged. As a result, the potential difference between the plates remains constant. When a dielectric is placed between two parallel plates, the capacitance increases. Therefore, the capacitance of a capacitor is inversely proportional to the distance between the plates, and it is proportional to the dielectric constant of the material between them.
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1. what is the displacement of the car between 0s and 24 s?
2. what is the distance of the car between 0s and 24s?
Answers
Answer:
1). Displacement = 24 m
2). Distance = 28 m
Explanation:
We will use the concept that distance is a scalar quantity and displacement is a vector quantity.
1). Displacement of the car between 0 s and 24 s
Displacement = distance between origin (0, 0) and a point on x - axis (24, 0)
= 24 - 0
= 24 meters
2). Distance traveled by the car = Distance traveled by the car on the ramp
= Distance traveled on the tracks (AB + BC + CD)
AB = \(\sqrt{6^2+8^2}\)
= \(\sqrt{36+64}\)
= \(\sqrt{100}\)
= 10 m
BC = 16 - 8
= 8 m
CD = \(\sqrt{8^2+6^2}\)
= 10 m
Therefore, distance traveled by the car = 10 + 8 + 10
= 28 m
Answer:
1). Displacement = -12 m
2). Distance = 12 m
Explanation:
A 100-turn, 4.0-cm-diameter coil is at rest with its axis vertical. A uniform magnetic field 60∘ away from vertical increases from 0.50 T to 2.5 T in 0.90 s What is the emf in the coil?
Answers
The EMF in the coil is emf = -N(dΦ/dt) = -100 * 0.00140 Wb/s = -0.14 V
The emf (electromotive force) induced in a coil is given by Faraday's law of electromagnetic induction, which states that:
emf = -N(dΦ/dt)
where N is the number of turns in the coil, Φ is the magnetic flux through the coil, and t is time.
The magnetic flux through the coil is given by:
Φ = BAcosθ
where B is the magnetic field strength, A is the area of the coil, and θ is the angle between the magnetic field direction and the normal to the coil.
Substituting the given values, we get:
N = 100
B1 = 0.50 T
B2 = 2.5 T
\(A = \pi *(0.04 m/2)^2 = 0.00126 m^2\)
θ = 60°
The change in magnetic field strength over time is:
\(dB/dt = (B2 - B1)/t = (2.5 T - 0.50 T)/(0.90 s) = 2.22 T/s\)
The time rate of change of flux is:
dΦ/dt = dB/dt * A * cosθ = 2.22 T/s * 0.00126 m^2 * cos(60°) = 0.00140 Wb/s
The emf induced in the coil is:
emf = -N(dΦ/dt) = -100 * 0.00140 Wb/s = -0.14 V
Note that the negative sign indicates that the emf induces a current that opposes the change in magnetic flux, in accordance with Lenz's law.
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Find the force of attraction between a 60 kg student and:A. Another student of mass 80 kg, 1.4 m away.B. A 130,000 kg blue whale, 10 m away.C. The Great Pyramid in Egypt, with an estimated mass of 5.22 x 109 kg, 1.0 km away.D. A 45 g golf ball, 95 cm away.
Answers
According to Newton's Law of Universal Gravitation, the force between to bodies of masses m and M separated by a distance r is:
\(F=G\frac{Mm}{r^2}\)Where G is the gravitational constant:
\(G=6.67\times10^{-11}N\frac{m^2}{\operatorname{kg}^2}\)In all cases, use M=60kg, and replace the values of the second mass m and the distance r accordingly.
A) m=80kg, r=1.4m
\(\begin{gathered} F=(6.67\times10^{-11}N\frac{m^2}{\operatorname{kg}^2})\times\frac{(60\operatorname{kg})(80\operatorname{kg})}{(1.4m)^2} \\ =1.6\times10^{-7}N \end{gathered}\)B) m=130,000kg, r=10m
\(\begin{gathered} F=(6.67\times10^{-11}N\frac{m^2}{\operatorname{kg}^2})\times\frac{(60\operatorname{kg})(130,000\operatorname{kg})}{(10m)^2} \\ =5.2\times10^{-6}N \end{gathered}\)C) m=5.22*10^9kg, r=1000m
\(\begin{gathered} F=(6.67\times10^{-11}N\frac{m^2}{\operatorname{kg}^2})\times\frac{(60\operatorname{kg})(5.22\times10^9\operatorname{kg})}{(1000m)^2} \\ =2.1\times10^{-5}N \end{gathered}\)D) m=0.045kg, r=0.95m
\(\begin{gathered} F=(6.67\times10^{-11}N\frac{m^2}{\operatorname{kg}^2})\times\frac{(60\operatorname{kg})(0.045\operatorname{kg})}{(0.95m)^2} \\ =2.0\times10^{-10}N \end{gathered}\)A gas has an initial pressure of 50kpa at a temperature of -67°c. calculate
the final pressure of this gas if its temperature is increased to 398°c at a
constant volume.
Answers
Answer:
the pressure will be 297.01 kpa
if 12.552 joules of heat is applied to 3.0 g of liquid water, what is the change in temperature? the specific heat of liquid water is 4.184 j g-1 °c-1.
Answers
12.552 = (3.0)(4.184)(delta T)
Delta T = 1
Hence, Temperature increases by 1 degree Celsius.
what do you mean by supplementary quantities and its unit?
Answers
$ \large\boxed{ \sf \red{More ~Info :}}$
The units of supplementary quantities are dimensionless units.
\( \\ \)
what is the smallest angle that the exact period differs from the simple pendulum approximation by more than 2%?
Answers
The smallest angle that the exact time period differs from the simple pendulum approximation by more than 2% is 33degrees.
The formula provides the time period of a basic pendulum.
T = \(2\pi\sqrt{l/g}\)
The length of the pendulum = 0.9 m
acceleration due to gravity = 9.81 m/s^2
The time period is
T = \(2*3.14*sqrt(0.9/9.81)\) = 1.902 s
2) The equation for a simple pendulum is made under the assumption that \(sin(\theta)\approx \theta\)
For a large amplitude pendulum,
the time period is
T = \(2\pi\sqrt{l/g}*(1+\theta^2/16+...)\)
So,
The error between the actual value and approximate value is given by
\(\frac{T-T_0}{T} = \frac{\theta^2/16}{1+\theta^2/16}\)
Here,
the percent error = 2 %
So,
error = 0.02
0.02=\(\frac{\theta^2/16}{1+\theta^2/16}\)
\(0.02*(1+\theta^2/16)= \theta^2/16\\\)
\(0.02 = (1-0.02 )*\theta^2/16\)
\(\theta^2 = 0.02*16/(1-0.02 ) = 0.3265\)
\(\theta = 0.571 radians = 33 degree\)
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ACTIVITY 4
Applying the equation learned, answer the following problems:
1. A bowling ball whose mass is 4.0 kg is rolling at a rate of 2.5 m/s. What is its momentum? p = m/s. What Is Its Momentum?
Given:
Find:
Formula:
Solution:
2. A skateboard is rolling at a velocity of 3.0 m/s with a momentum of 6.0 kg-m/s. What is its mass?
Given:
Find:
Formula:
Solution:
3. A pitcher throws a baseball with a mass of 0.5 kg and a momentum of 10 kg-m/s. What is its velocity?
Given:
Find:
Formula:
Solution:
Subject Is Science
Good Perfect Complete=Brainlist
Copy Wrong Incomplete=Report
Good Luck Answer Brainly Users:-)
Answers
Answer:
1) 10 kg-m/s
2) 2 kg
3) 20 m/s
Explanation:
The momentum of an object can be calculated using the equation:
\(\large\boxed{p=mv}\)
where:
p is momentum (measured in kilogram meters per second).m is mass (measured in kilograms).v is the velocity (measured in meters per second).\(\hrulefill\)
Question 1For this question we need to find the momentum of a bowling ball whose mass is 4.0 kg is rolling at a rate of 2.5 m/s.
Given values:
m = 4.0 kgv = 2.5 m/sSubstitute the given values into the momentum formula and solve for p:
\(p=4.0\;\text{kg} \cdot 2.5\;\text{m/s}\)
\(p=10\;\text{kg m/s}\)
Therefore, the momentum of the bowling ball is 10 kg-m/s.
\(\hrulefill\)
Question 2For this question we need to find the mass of a skateboard rolling at a velocity of 3.0 m/s with a momentum of 6.0 kg-m/s.
Given values:
p = 6.0 kg-m/sv = 3.0 m/sAs we want to find mass, rearrange the momentum formula to isolate m:
\(\large\boxed{m=\dfrac{p}{v}}\)
Substitute the given values into the formula and solve for m:
\(m=\dfrac{6.0\; \text{kg m/s}}{3.0\; \text{m/s}}\)
\(m=2\;\text{kg}\)
Therefore, the mass of the skateboard is 2 kg.
\(\hrulefill\)
Question 3For this question we need to find the velocity of a baseball with a mass of 0.5 kg and a momentum of 10 kg-m/s.
Given values:
p = 10 kg-m/sm = 0.5 kgAs we want to find velocity, rearrange the momentum formula to isolate v:
\(\large\boxed{v=\dfrac{p}{m}}\)
Substitute the given values into the formula and solve for v:
\(v=\dfrac{10\; \text{kg m/s}}{0.5\; \text{kg}}\)
\(v=20\;\text{m/s}\)
Therefore, the velocity of the baseball is 20 m/s.
Please answer in your own words and I will mark brainlist, Compare all matters from the view of passing light through them (name 3 types and write if they pass the light or not.)
Answers
Answer:
Light passes through the gas
Light passes through the pure water
Light passes through some solids
Explanation:
In gasses, there are many spaces between the molecules. These spaces allow light to pass through them without any interruption.
In pure water, there are some spaces between particles. these particles allow some light rays to pass theough, some to move through the common boundary and reflec5 some of them.
in solids, some allow light to pass through as they are transparent or translucent
What acceleration will result when a 12N net force applied to a 3 kg object?
Answers
Answer:
a=4m/s2
Explanation:
which affects the electrostatic charge more, charge or distance?
Answers
Answer:
The electric force decrease as the distance increase and vice versa
As it obeys inverse square law that states ththaforce is inversly proportional to square if distance
so if the distance increased to twice the force will be decreased to quarter.
And that is coloumb's law of electrostatic force:
Coulomb's law states that the electrical force between two charged objects is directly proportional to the product of the quantity of charge on the objects and inversely proportional to the square of the separation distance between the two objects.
F=k(Q1.Q2)/r2
So as you increase the distance between charged objects, Force(attraction/repulsion) weakens by the square of their distance.
As you decrease the distance between charged objects, Force strengthens by the square of their distance.
Inverse relationships are common in nature. In electrostatics, the electrical force between two charged objects is inversely related to the distance of separation between the two objects. Increasing the separation distance between objects decreases the force of attraction or repulsion between the objects. And decreasing the separation distance between objects increases the force of attraction or repulsion between the objects. Electrical forces are extremely sensitive to distance. These observations are commonly made during demonstrations and lab experiments. Consider a charged plastic golf tube being brought near a collection of paper bits at rest upon a table. The electrical interaction is so small at large distances that the golf tube does not seem to exert an influence upon the paper bits. Yet if the tube is brought closer, an attractive interaction is observed and the strength is so significant that the paper bits are lifted off the table. In a similar manner, charged balloons are observed to exert their greatest influence upon other charged objects when the separation distance is reduced. Electrostatic force and distance are inversely related.
The pattern between electrostatic force and distance can be further characterized as an inverse square relationship. Careful observations show that the electrostatic force between two point charges varies inversely with the square of the distance of separation between the two charges. That is, the factor by which the electrostatic force is changed is the inverse of the square of the factor by which the separation distance is changed. So if the separation distance is doubled (increased by a factor of 2), then the electrostatic force is decreased by a factor of four (2 raised to the second power). And if the separation distance is tripled (increased by a factor of 3), then the electrostatic force is decreased by a factor of nine (3 raised to the second power). This square effect makes distance of double importance in its impact upon electrostatic
Answer:
Charge
Explanation:
Collisions between galaxies typically unfold over a period of ______.
Answers
Collisions between galaxies typically unfold over a period of millions of years.
Galaxies are vast collections of stars, gas, and dust that are held together by gravity. When galaxies collide, the individual stars and gas clouds do not collide with one another. Instead, the gravitational forces between the galaxies cause them to distort each other's shape and pull material out into long streams. These tidal forces can trigger bursts of star formation, as gas clouds are compressed and collapse to form new stars. The actual collision process can take millions of years to complete, with the galaxies gradually merging together into a single, larger system.
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a boy whose mass is 40kg runs up a flight of 30 step each 150 mm in 60 second find the averse power develop expansion explain the anomalous of two of water
Answers
The average power developed by the boy during the climb is approximately 29.4 W.
What is power?In physics, the amount of energy transferred or converted per unit time is called power.
total height = number of steps x height of each step
total height = 30 x 0.15 m = 4.5 m
Given, time = 60 s
As power = work done / time
work done = force x distance
force = mass x gravity
mass is boy's mass (40 kg) and gravity is acceleration due to gravity (9.81 m/s²).
force = 40 kg x 9.81 m/s² = 392.4 N
The distance that the boy moves is equal to the total height that he has climbed: distance = total height = 4.5 m
work done = force x distance
work done = 392.4 N x 4.5 m = 1765.8 J
power = work done / time
power = 1765.8 J / 60 s
power ≈ 29.4 W
Therefore, the average power developed by the boy during the climb is approximately 29.4 W.
As for the anomalous behavior of water, water has a higher boiling point and melting point as compared to other substances with similar molecular weight. This is due to the strong hydrogen bonding between water molecules, which requires more energy to break the bonds and change the state of water from solid to liquid to gas.
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If a voltage source is applied across two resistors in parallel, R1 and R2, and more current flows through R1 than through R2, then :
Answers
If a voltage source is applied across two resistors in parallel, R1 and R2, and more current flows through R1 than through R2, then the resistance of R1 is less than the resistance of R2.
The amount of current through R1 is inversely proportional to the value of resistance. This means if the resistance is high, the amount of current will be less, and if the resistance is less, the amount of current will be high. Therefore, as more current flows through R1 than R2, the resistance of R1 must be less than the resistance of R2.In order to find the resistance of R1 and R2, we can use the following formula:1/R1 + 1/R2 = 1/Rt Where R1 and R2 are the resistances of each individual resistor, and Rt is the total resistance of the circuit. If we know the value of Rt and either R1 or R2, we can find the value of the other resistor.
In summary, when a voltage source is applied across two resistors in parallel and more current flows through one resistor than the other, it means the resistance of the resistor with less current (higher resistance) is greater than the resistance of the resistor with more current (lower resistance).
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HURRY PLEASE
Two different bumper designs are shown here.
Recall that if the colliding objects have hard surfaces, the collision is elastic. Based on this description, which bumper design is more likely to result in an elastic collision? Predict how this bumper design will change the force that car 2 experiences during the collision.
Answers
The design that has the metal bar would increase the chances of an elastic collision and lead to an increase of the velocity of the car after collision.
What is elastic collision?We know that an elastic collision is one in which there is a conservation of the kinetic energy of the momentum. Recall that the colliding particles would have to constitute a closed system such that there is no loss in the momentum of the objects that are colliding.
We have two designs of the bumpers of the cars. We know that the balloon design would have more tendency to have this car stick to the other car and create an inelastic Collison.
However, with the metal bar design, there is less tendency that the cars would stick together after collision and we would have an elastic collision. The effect of this is that velocity of the car 2 may increase after the collision.
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is potential energy and kinetic energy real or is it theoretical and is used to explain how thing work? if it is real than where is potential energy stored? Because energy has to be stored somewhere, like in a plant the energy of the sun is stored in its leaves.
Answers
What is a method used to design or create solutions to problems
A)Trade-off
B)Constraint
C)Design
D)Criteria
Answers
How are electric motors and generators similar? 
Answers
Answer:
they both produce energy
Explanation:
Give one example of friction making something stay still ?
Answers
Answer:
when you kick a football it stops after sometime this is because of fiction force
Explanation:
Use your bicycle to go to the market near your home. Come back to your home by using a different path. Measure and note down the time in seconds and distance in meters, from home to market, and from market to home. Calculate your speed for approach and return.
Answers
The formula to calculate speed is distance/time and the speed for the approach is 6m/s.
What is Speed?This refers to the rate of movement of an object in relation to time.
Hence, we can see that given a sample data:
Distance: 36 metersTime: 6 secondsSpeed:?Hence, to find the speed for the sample data:
Distance/Time
36/6
= 6m/s
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4. Explain A girl is jumping on a trampoline. When she is at the top of her jump, her mechanical energy is in what form? Explain why.
Answers
Mechanical energy is of two types,
1. Kinetic energy
2. Potential energy
When the girl is at the top of her jump, the speed of the girl becomes zero.
Thus, the kinetic energy of the girl at the top of her jump is,
\(K=\frac{1}{2}mv^2\)where m is the mass of the girl and v is her speed,
Substituting the known values,
\(K=0\text{ J}\)Thus, the kinetic energy of the girl is zero at the top of her jump.
The potential energy of the girl at the top of her jump is,
\(U=\text{mgh}\)where g is the acceleration due to gravity and h is the height of the girl,
Thus, the potential energy of the girl at the maximum height is maximum.
Hence, the mechanical energy of the girl at the top is in potential energy form because her kinetic energy is zero at the top of her jump.
HELP ME PLEASE I NEED IT ALL WORK IN IS THE PICTURE
Answers
The mechanical advantage of the given pulley system is 3.
Through the use of a tool or system, mechanical advantage is the force multiplier. By definition, a tool or machine will give off a lesser input force over a longer distance for the same amount of work as a larger force over a shorter distance.
In a pulley system, the mechanical advantage is directly proportional to the number of strands connecting to the mass through movable pulleys.
a) Therefore, the mechanical advantage of the given pulley system,
IMA = 3
b) The force or effort applied to pull the weight,
F = Weight/IMA
F = 500/3
F = 166.66 N
c) The efficiency of the machine,
η = IMA/No. of pulleys used
η = 3/3 x 100
η = 100%
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describe the properties of a longitudinal wave.
Answers
Answer:
the waves that move back and forth in the same direction
Explanation:
Answer:
A longitudinal wave is a wave in which particles of the medium move in a direction parallel to the direction that the wave moves.
The waves in which the particles of medium moves in the direction of motion.sound is a longitudinal wave.it moves in all media i.e.solid,liquid,has.
Explanation:
can someone please answer this question in simple terms and not over complicated. i know nothing about the subject.
If you want to make a strong battery, should you pair two metals with high electron affinities, low electron affinities, or a mix? Explain your answer. (4 points)
Answers
Answer:
Mix
Explanation:
A battery has two electrodes, at one end it has the anode and the other end has the cathode. Electrons travel through the circuit from the anode (negative) to the cathode (positive), and this is the driving force that provides electricity to flow through circuits.
The anode needs to have a low electron affinity because it needs to readily release electrons, and the cathode needs to have a high electron affinity because it needs to readily accept electrons.
A skier is moving at a constant velocity for 20 seconds when he hits a downhill slope of 60 meters and begins to accelerate at 6 m/s^2 for 6 seconds. At the bottom of the hill he begins to stop over 10 seconds
a. What was the skiers constant velocity before going down hill?
b. What was the skier’s acceleration as he comes to a stop?
c. What was the skier’s total distance over the 36 seconds?
d. What was the skier’s average speed during the 36 seconds?
Answers
Think more about the situation in the question above. If you picked a "good" thing, how might
boundaries have helped you choose the "right" think instead? If you picked the "right" thing, how
did your boundaries help you?
PLEASE HELP RIGHT NOW !
Answers
your on here to lol we must be hella failing g
Collision 1: Blue Cart Initially at Rest Set the initial blue cart velocity to 0 m/s. Set the mass values to different values. Run the simulation and record the mass and velocity values. Before Collision After Collision mRed = _________ kg mBlue = _________ kg Use mass and velocity values to complete the following momentum table. Before Collision After Collision ∆Momentum Red Cart ________kg x _______m/s = ____________kg•m/s ________kg x _______m/s = ____________kg•m/s Blue Cart ________kg x _______m/s = ____________kg•m/s ________kg x _______m/s = ____________kg•m/s
Answers
Answer:
it is very hard but i am trying to help you.
Explanation:
A doctor measures the temperature of a patient
to be 101°F. What is this temperature in kelvins?
(A) 38.3 K
73.8 K
311 K
(C)
214 K
(E) 346 K
(B)
(D)
-please help I’m too lazy to do the math
Answers
Answer: 311.483
Explanation:
(101°F − 32) × 5/9 + 273.15 = 311.483K
A monorail starts from rest and accelerates at a rate of 2.2m/s2 for 10s.Then it runs at a constant speed for 74s and then slows down at a rate of 1.5m/s2
Answers
Answer:
d = 4217 m
Explanation:
Case 1.
Initial velocity, u = 0
Acceleration, a = 2.2 m/s²
Let d₁ is the distance in case 1. Using second equation of motion as follows :
\(d_1=ut+\dfrac{1}{2}a_1t_1^2\\\\\text{Here, u =0}\\\\d_1=\dfrac{1}{2}\times 2.2\times 10^2\\\\d_1=110\ m\)
Let d₂ in the distance in case 2. Using second equation of motion as follows :
\(d_2=ut+\dfrac{1}{2}a_2t_2^2\\\\\text{Here, u =0}\\\\d_2=\dfrac{1}{2}\times 1.5\times 74^2\\\\d_2=4107\ m\)
Total distance,
D = d₁ + d₂
D = 110 + 4107
D = 4217 m
Hence, the total distance covered is 4217 m.