if the mass is 4 and the acceleration is 4 what is the net force

Frequency and wavelength are inversely proportional to each other for electromagnetic waves.

The correct answer is (h) a smaller, a smaller. Red visible light in a vacuum has a higher frequency and shorter wavelength compared to microwaves traveling through a vacuum.

Frequency and wavelength are inversely proportional to each other for electromagnetic waves. Since red visible light has a higher frequency than microwaves, it must have a shorter wavelength.

Microwaves have longer wavelengths and lower frequencies, making them different from red visible light.

Learn more about wavelength

brainly.com/question/9709129

#SPJ11

A flexible, tubelike device for withdrawing or instilling fluids is called a catheter.

A catheter is a medical device that consists of a flexible tube, typically made of rubber, silicone, or plastic, which is used for various purposes related to fluid management within the body.

The word "catheter" is derived from the Greek word "katheter," meaning "to let or send down." Catheters are commonly used in medical settings and can be inserted into different parts of the body, depending on the intended purpose.

Catheters are primarily designed to either withdraw or instill fluids. When used for withdrawal, they allow healthcare professionals to remove fluids from the body, such as urine from the bladder or blood from a vein.

In cases where a patient's body is unable to excrete urine naturally, a urinary catheter may be inserted into the bladder to assist in the drainage process. Similarly, venous catheters can be utilized for drawing blood or administering medications directly into the bloodstream.

On the other hand, catheters can also be used for instilling fluids into the body. For example, intravenous (IV) catheters are often employed to infuse fluids, medications, or nutrients directly into a patient's veins.

Other types of catheters, such as nasogastric or orogastric tubes, are inserted through the nose or mouth and down into the stomach, enabling the administration of liquid nutrition or medication directly to the gastrointestinal system.

Catheters come in various sizes and designs to accommodate different medical requirements. They are typically sterile to prevent infections and can be single-use or reusable, depending on the specific procedure. The flexibility of the catheter allows it to navigate through the body's natural passages and reach the desired location with minimal discomfort to the patient.

Learn more about Catheters

brainly.com/question/27960171

#SPJ11

The position of the particle at t = 10 seconds is approximately 〈1.491, 30〉 meters after all velocity and acceleration calculations.

There is a particle moving in the xy-plane, whose position can be represented as 〈x(t),y(t)〉=〈sin(2t),t^2−t〉 for 0 ≤ t ≤ 8 seconds. We can find its velocity and acceleration vectors using this position vector.

At t = 8 seconds, the particle starts moving in a straight line with the same velocity vector as it had at that time. Therefore, for t ≥ 8 seconds, we can find the position vector of the particle.

To find the position of the particle at t = 10 seconds, we need to substitute t = 10 in the equation of position vector for t ≥ 8 seconds. The position of the particle at t = 10 seconds is approximately 〈1.491, 30〉 meters.

Learn more about acceleration:

https://brainly.com/question/30660316

#SPJ4

If you have 2 kilowatt-hours, the conversion would be:

2 kilowatt-hours (kWh) * 3,600,000 joules/kilowatt-hour (J/kWh) = 7,200,000 joules (J)

To convert kilowatt-hours (kWh) to joules (J), we need to utilize the conversion factor that relates these two units. The conversion factor we'll use is based on the definitions of kilowatt-hour and joule:

1 kilowatt-hour (kWh) = 3.6 million joules (3,600,000 J).

The reason behind this conversion is as follows:

A kilowatt-hour (kWh) is a measure of electrical energy consumed over a period of time. It is commonly used to determine electricity bills and the energy consumption of various appliances.

One kilowatt-hour represents the energy consumed when a device with a power rating of one kilowatt operates for one hour. Mathematically, it can be expressed as:

1 kilowatt-hour (kWh) = 1 kilowatt (kW) * 1 hour (h)

Now, let's convert kilowatts (kW) to joules (J) using the definition of joule:

1 joule (J) = 1 watt (W) * 1 second (s)

To convert kilowatts (kW) to watts (W), we multiply by 1,000 (since there are 1,000 watts in a kilowatt):

1 kilowatt (kW) = 1,000 watts (W)

Substituting this into the equation, we have:

1 kilowatt-hour (kWh) = 1,000 watts (W) * 1 hour (h)

Now, we need to convert hours (h) to seconds (s). There are 3,600 seconds in one hour (60 seconds * 60 minutes):

1 hour (h) = 3,600 seconds (s)

Substituting this into the equation, we get:

1 kilowatt-hour (kWh) = 1,000 watts (W) * 3,600 seconds (s)

Simplifying further, we have:

1 kilowatt-hour (kWh) = 3,600,000 watts-seconds (W·s)

Since a watt-second (W·s) is equivalent to a joule (J), we can conclude that:

1 kilowatt-hour (kWh) = 3,600,000 joules (J)

So, to convert kilowatt-hours to joules, you simply multiply the value in kilowatt-hours by 3,600,000.

For example, if you have 2 kilowatt-hours, the conversion would be:

2 kilowatt-hours (kWh) * 3,600,000 joules/kilowatt-hour (J/kWh) = 7,200,000 joules (J)

Click the below link, to learn more about kilowatt-hour:

https://brainly.com/question/28570701

#SPJ11

Based on the data given and the histogram, all of the following bird species can be found in the Southwestern region: The Lesser night hawk, Black-chimmed hummingbird, Western Kingbird, Great-tailed grackle, Bronzed cowbird, Great horned owl, Costa's hummingbird, Canyon wren, Canyon towhee, Harris' hawk, Loggerhead shrike, Hooded oriole, and Northern Mockingbird.

The histogram provided represents the bird species and their frequency in the region. The x-axis of the histogram represents the bird species while the y-axis represents the frequency. The highest frequency, as shown on the y-axis, is 21, which represents the Black-chinned hummingbird. The lowest frequency, as shown on the y-axis, is 1, which represents the Lesser Nighthawk, Great Horned Owl, Costa's Hummingbird, Canyon Wren, Canyon Towhee, Harris's Hawk, Loggerhead Shrike, Hooded Oriole, and Northern Mockingbird.

Know more about histogram, here:

https://brainly.com/question/16819077

#SPJ11

Answer:

203 beats per minute

Explanation:

Answer:

203 beats per minute

Explanation:

220-17= 203

Hope this helps :)

Answer:

Explanation:

Wave speed = distance between two successive maxima / time for eight maxima to pass = 0.548 m / 11.4 s = 0.048 m/s

a) The mirror's radius of curvature will be 2.7 cm

B)  The magnification of the image will be 4.0.

When a hollow spherical is divided into pieces and the exterior surface of each cut portion is painted, it forms a mirror, with the inner surface reflecting the light.

From the mirror equation;

\(\frac{1}{p}+\frac{1}{q} =\frac{1}{f} \\\\ \frac{1}{1}+\frac{1}{-10} =\frac{1}{f} \\\\ \frac{1}{f} = 1-\frac{1}{10} \\\\ \frac{1}{f} = \frac{9}{10} \\\\ f= 1.1111\)

Hence,

The radius of curvature is twice of the focal length;

\(\rm R = 2f \\\\ \rm R = 2\times 1.111 \\\\ R=2.2222 \ cm\)

Hence, the mirror's radius of curvature will be 2.7 cm.

The magnification factor is found as;

\(\rm m = \frac{-q}{p} \\\\ m = \frac{-(-10)}{1} \\\\ m = 10\)

Hence, the magnification of the image will be 4.0.

To learn more about the concave mirror, refer to the link;

https://brainly.com/question/25937699

#SPJ1

The final temperature of the gas given the data from the question is 1527 °C

The final temperature of the gas can be obtained by using the Charles' law equation as illustrated below:

V₁ / T₁ = V₂ / T₂

V / 300 = 6V / T₂

Cross multiply

V × T₂ = 300 × 6V

Divide both side by V

T₂ = (300 × 6V) / V

T₂ = 1800 K

Subtract 273 from 1800 K to express in degree celsius

T₂ = 1800 – 273

T₂ = 1527 °C

Learn more about gas laws:

https://brainly.com/question/6844441

#SPJ1

Answer:

21.2m/s

Explanation

Given data

P=6.36 x 10⁴kg·m/s.

M=3000kg

From the momentum expression

P=mv

v=p/m

Substitute

v=63600/3000

v=21.2m/s

Hence the Velocity is 21.2m/s

The speed of the truck is 21.2 m /s

Momentum is the product of the mass of the object and the velocity of the object. Therefore,

p = mv

where

m  = mass

v = velocity

m = 3000 kg

p = 6.36 x 104 kg·m/s.

lets find the velocity

6.36 x 10⁴  = 3000 × v

v = 6.36 x 10⁴ / 3000

v = 21.2 m / s

The speed of the truck is 21.2 m /s

read more; https://brainly.com/question/18558072?referrer=searchResults

a) The power input to the compressor in the Carnot refrigeration cycle, in order to supply 2 kW of cooling to the room, will depend on the efficiency of the cycle and the heat transfer involved.

b) The net power input to the cycle can be determined by considering the work done by the compressor and the work done on the system.

a) To calculate the power input to the compressor, we need to determine the heat transfer from the groundwater to the room. The Carnot refrigeration cycle is an idealized cycle, and its efficiency is given by the equation: Efficiency = 1 - (T_evaporator / T_condenser), where T_evaporator and T_condenser are the temperatures at the evaporator and condenser, respectively. Using this efficiency, we can calculate the heat transfer from the groundwater and convert it to power input.

b) The net power input to the cycle takes into account the work done by the compressor and the work done on the system. It can be calculated by subtracting the work done by the compressor from the heat transfer from the groundwater. The work done by the compressor can be determined using the power input calculated in part a), and the heat transfer from the groundwater can be obtained using the given temperatures and the specific heat properties of the refrigerant.

Overall, the Carnot refrigeration cycle involves several calculations to determine the power input to the compressor and the net power input to the cycle, considering the heat transfer and work done in the system.

To know more about the Carnot refrigeration cycle click here:

https://brainly.com/question/29234662

#SPJ11

Answer:

100 yd * 3 ft/yd / 3.281 ft/m = 91.4 m

Check" 91.4 m " 3.281 ft/yd = 299.9 ft = 100 yd

Answer:

The iron atom has a positive charge, making it a cation.

Explanation:

The atom has a nucleus, where the protons and neutrons, which are the subatomic particles with the highest mass, are located. Practically all the mass of the atom is concentrated in the nucleus.Protons have a positive electrical charge, while neutrons have no charge.

Electrons move around the nucleus with other negatively charged particles.

An iron atom (Fe) has 26 protons and 20 electrons in it.  That is, there are 6 more protons than electrons. As mentioned, protons are positively charged. So the iron atom has a positive charge, making it a cation.

The plane's speed is 450 miles per hour, and the wind speed is 50 miles per hour. This is determined by solving the equations derived from the distances and times of the flight with and against the wind.

Let's assume the speed of the plane (without considering the wind) is P, and the speed of the wind is W.

When flying into a headwind, the effective speed of the plane is reduced by the wind speed. So the equation for the outbound flight is:

P - W = 2000 miles / 5 hours

P - W = 400 miles per hour (mph)  ---(Equation 1)

When flying with a tailwind, the effective speed of the plane is increased by the wind speed. So the equation for the return flight is:

P + W = 2000 miles / 4 hours

P + W = 500 miles per hour (mph)  ---(Equation 2)

Now we have a system of two equations (Equation 1 and Equation 2) with two variables (P and W). We can solve this system to find the values of P and W.

Adding Equation 1 and Equation 2 together, we eliminate the variable W:

(P - W) + (P + W) = 400 mph + 500 mph

2P = 900 mph

P = 450 mph

Substituting the value of P back into Equation 1 or Equation 2, we can solve for W:

450 mph - W = 400 mph

W = 450 mph - 400 mph

W = 50 mph

Therefore, the plane's speed is 450 mph and the wind speed is 50 mph.

To know more about headwind visit-

https://brainly.com/question/33318976

#SPJ11

Answer: True

Explanation: It is true that irregular galaxies, although small, have lots of star formation taking place in them.

Answer:

4) Increase

Explanation:

Hope this helps!

If not, I am sorry.

Answer:

Explanation:

Silver, Bronze, Gold

Answer:

The water filled balloon does not burst because the rubber obviously does not reach a temperature sufficient for it to melt or burn. The rubber is stretched thin so that heat is quickly transferred into the balloon. With air inside the balloon, this heat is not readily dissipated away from the spot touching the flame.

Answer:

The time taken by it to hit the ground is 0.903 seconds.

The ball continues to fall, its kinetic energy will increase.

Kinetic energy is the energy an object possesses due to its motion. It is the energy associated with an object’s speed and mass, and is the energy that an object has because of its movement. Kinetic energy can be converted into other forms of energy, such as heat, light, or sound. It can also be used to do work, such as moving objects or powering machines. Kinetic energy is a form of mechanical energy, which is energy that is associated with the motion or position of an object. Kinetic energy is related to the work done on an object, and it increases as the object’s speed increases. Kinetic energy can be calculated using the formula KE = ½mv2, where m is the mass of the object and v is the velocity of the object.

The kinetic energy of the ball will increase as it falls, because it is gaining speed due to gravity.
As it falls, it accelerates at a rate of 9.8 m/s^2, and its kinetic energy is equal to its mass multiplied by the square of its velocity.
Therefore, as the ball continues to fall, its kinetic energy will increase.

To learn more about kinetic energy
https://brainly.com/question/20658056
#SPJ4

weight=mass*gravity

w=2959.0*10

w=29590N

The weight of a 2959.0-kg car that is moving at a speed of 21 m / s would be 28998.2 Newtons, here speed of the car is the redundant value that is not used to calculate the weight of the car.

It can be defined as the force by which a body attracts another body toward its center as the result of the gravitational pull of one body and another.

As given in the problem, we have to determine the weight of a 2959.0-kg car that is moving at a speed of 21 m / s .

The weight of the car = mass of the car × acceleration due to gravity

                                    = 2959 × 9.8

                                    = 28998.2 Newtons

Thus, the weight of a 2959.0-kg car that is moving at a speed of 21 m / s would be 28998.2 Newtons.

To learn more about gravity here, refer to the link given below ;

brainly.com/question/4014727

#SPJ2

The mass of the blood denoted is 501.6 g.

The mass of the blood denoted by Keona is calculated by applying the formula for density of a liquid as shown below.

density = mass/volume

mass = density x volume

The given parameters include;

The mass of the blood is calculated as follows;

mass = 1.06 g/mL x 473.176 mL

mass = 501.6 g

Thus, the mass of the blood is calculated from the formula of density.

Learn more about density here: https://brainly.com/question/6838128

#SPJ1

The complete question is below

While participating in a blood drive at school, Keona learns that blood has a density of 1.06 g/mL. She donates one pint of blood, which is equal to 473.176 mL. find the mass of the blood denoted.

Scientists believe that light is made of streams of particles, called photons, because of their observed behavior. In certain experiments, such as the photoelectric effect, it was found that light behaves more like a particle than a wave. For example, light can knock electrons out of atoms, which would require a particle-like behavior. Additionally, the energy of each photon is directly proportional to its frequency, which is a characteristic of particles. The behavior of light in other experiments, such as the double-slit experiment, can also be explained by the wave-like behavior of photons. Therefore, scientists have concluded that light has both particle and wave-like properties, known as wave-particle duality.

While this answer may provide helpful information for your assignment, it is important to remember that using it verbatim could be seen as plagiarism. To avoid this, it is best to use your own words and properly cite any sources used. This will ensure that you are giving credit to the original author and presenting your own unique perspective on the topic.

~~~Harsha~~~

because mechanical advantage decreases due to the friction and weight of moving parts of the machine whereas the velocity ratio remains constant

hope it helps you

Answer:

because of Archimedes principle

Explanation:

the brick experiences upthurst from the water and displaces water according to its weight so its weight changes it water

The activation energy is calculated to be 39.44 kJ/mol and rate constant at 100°C is calculated to be 2.49 × 10⁻⁴.

Rate constant k₁ is given as 5 × 10⁻³

Temperature T₁ is given as 215°C = 488 K

Rate constant k₂ is given as 1.2 × 10⁻¹

Temperature T₂ is 452°C = 725 K

k₃ is to be found out.

T₃ is 100°C = 373 k

Arrhenius equation is given as, k = A e^(⁻Ea/RT)

where,

k is rate constant

A is the pre-exponential factor

Ea is activation energy

T is absolute temperature

R is ideal gas constant

ln(k₂/k₁) = Ea × (1/T₁ - 1/T₂)/R

ln(1.2 × 10⁻¹/5 × 10⁻³) = Ea × (1/488 - 1/725)/8.314

ln (24) = Ea × 8.057× 10⁻⁵

3.178 = Ea × 8.057× 10⁻⁵

Ea = 39444.63 J/mol = 39.44 kJ/mol

ln(k₂/k₃) = Ea × (1/T₃ - 1/T₂)/R

ln(1.2 × 10⁻¹/k₃) = 39444.63 × (1/373 - 1/725)/8.314

ln(1.2 × 10⁻¹) - ln(k₃) = 6.1755

-2.12026 - ln(k₃) = 6.1755

ln(k₃) = -8.29576  

k₃ = e^(-8.29576) = 2.49 × 10⁻⁴

To know more about activation energy:

https://brainly.com/question/30415487

#SPJ4

Start by facing East. Your first displacement is the vector

d₁ = (225 m) i

Turning 90º to the left makes you face North, and walking 350 m in this direction gives the second displacement,

d₂ = (350 m) j

Turning 30º to the right would have you making an angle of 60º North of East, so that walking 125 m gives the third displacement,

d₃ = (125 m) (cos(60º) i + sin(60º) j )

d₃ ≈ (62.5 m) i + (108.25 m) j

The net displacement is

d = d₁ + d₂ + d₃

d ≈ (287.5 m) i + (458.25 m) j

and its magnitude is

|| d || = √[ (287.5 m)² + (458.25 m)² ] ≈ 540.973 m ≈ 541 m

The magnitude of the displacement is 291.08 m            

From the given parameters;

Displacement is the shortest distance between the initial position and the final position.

From the image added, the magnitude of the displacement is length PQ.

Apply Pythagoras theorem, t o determine the magnitude of the displacement.

"check the image uploaded"

\((125 + x)^2 = 350^ 2 + 225^2\\\\(125 + x)^2 = 173,125\\\\125 + x = \sqrt{173125} \\\\125 + x = 416.08 \\\\x = 416.08 - 125\\\\x = 291.08 \ m\)                              

Thus, the magnitude of the displacement is 291.08 m            

Learn more here: https://brainly.com/question/18033352                                            

Troposphere, stratosphere, mesosphere, thermosphere and exosphere.

Earth's atmosphere has five major layers.

From lowest to highest, layers are the troposphere, stratosphere, mesosphere, thermosphere and exosphere.

a) What are the conditions in the troposphere?

The atmospheric temperature descends upward with a slope of ~10 K km−1 for dry air and ~7 K km−1 for wet air in troposphere.

The temperature of troposphere decreases with an increase in height.

B) What sort of temperatures would she experience in the stratosphere? What other layer is found within the stratosphere?

The temperature in the stratosphere ranges from- 60° F at the troposphere boundary to -5°F at the top.

The temperature increase is due to the ozone layer that absorbs ultraviolet light from solar radiation.

C)What sort of temperatures would she experience in the mesosphere?

The temperature in the mesosphere ranges from -2.5°C to -90°C

The temperature decreases because of a decrease in the absorption of penetrating solar radiation.

The atmosphere gets cooler with an increase in altitude because an increase in distance from the Earth's surface.

D)What sort of temperatures would she experience in the thermosphere? What other layer is found within the thermosphere?

4,500°F is the temperature of thermosphere.

Temperatures climb sharply in the lower thermosphere , then level off and hold fairly steady with increasing altitude above that height.

Temperatures in the upper thermosphere can range from about 500° C (932° F) to 2,000° C (3,632° F) or higher.

Learn more about layers of atmosphere here:

https://brainly.com/question/25881294

#SPJ1

The image of the 2.70-cm-high insect is located 28.2 cm in front of the lens.

To find the image location, we can use the thin lens equation:

1/f = 1/do + 1/di

where f is the focal length of the lens, do is the object distance (i.e., the distance of the insect from the lens), and di is the image distance (i.e., the distance of the image from the lens).

Substituting the values given:

1/0.127 = 1/1.10 + 1/di

Simplifying:

di = 0.127(1/1.10 - 1/0.127)^-1

di = -0.282 m

The negative sign indicates that the image is formed on the same side of the lens as the object (i.e., it is a virtual image).

To know more about focal length refer here

https://brainly.com/question/31755962#

#SPJ11