How to find the shooting range on an object physics

The correct answers are Burning fossil fuels contributes to climate change. Fossil fuels are nonrenewable.

Burning fossil fuels releases greenhouse gases, which contribute to climate change. Fossil fuels are also nonrenewable resources, meaning their supply is limited and will eventually run out.

The other two options are incorrect. Burning fossil fuels does not take place inside fuel cells, and while fossil fuels may not be as widely available as hydrogen, the statement that pure hydrogen is widely available is not necessarily true.

These sentences accurately describe the disadvantages of burning fossil fuels instead of using hydrogen fuel cells. Burning fossil fuels releases greenhouse gases, which contribute to climate change, while fossil fuels are also finite resources, making them nonrenewable

The other two sentences are incorrect: Burning fossil fuels does not take place inside fuel cells, and fossil fuels are widely available, whereas the availability of pure hydrogen is more limited.

Know more about  fossil fuels   here:

https://brainly.com/question/79954

#SPJ8

Answer: It is potential energy associated with gravitational force. Or if you want to use another definition, it is the energy possessed or acquired by an object due to a change in its position when it is present in a gravitational field. Pick either definition.

Hope this helped!

In the image below, the rocks have been bent into an elongated trough. This is a(n) example of a geological feature called a syncline.

In the image below, the rocks exhibit a distinctive geological feature known as a syncline. A syncline is a downward-bending fold in rock layers, creating an elongated trough-like shape. It is characterized by the youngest rock layers located at the center of the fold, with progressively older layers on either side. Synclines typically form due to compressional forces in the Earth's crust, where rock layers are subjected to horizontal compression, causing them to buckle and fold. The result is a concave shape with the rock layers curving downward. Synclines often occur in association with anticlines, which are upward-bending folds, and are significant in understanding the structural geology of an area.

Learn more about syncline here:

https://brainly.com/question/12873233

#SPJ11

The time at which the centripetal and tangential accelerations of a point on the rim have the same magnitude is given by t = √(R/α).

A tangential = R, where R is the wheel's radius and is the angular acceleration, gives the tangential acceleration of a point on the rim of the wheel.

A centripetal =  v²/R, where v is the speed of the point, gives the centripetal acceleration of a point on the rim of the wheel.

At time t, the wheel's angular displacement is given by  = (1/2)t2, and the speed of the point on the rim is given by v = R, where is the wheel's angular velocity.

Setting the magnitudes of the tangential and centripetal accelerations equal, we have:

Rα = v²/R

Substituting v = Rω and simplifying, we get:

Rα = Rω²

α = ω²

Using the definition of angular velocity ω = αt, we get:

t = √(R/α)

Therefore, the time at which the centripetal and tangential accelerations of a point on the rim have the same magnitude is given by t = √(R/α).

learn more about acceleration here

https://brainly.com/question/26408808

#SPJ1

Answer:

8.22m

Explanation:

As interpreted from this problem, the angle of launch is 90 degrees as it is thrown straight up. Given an angle launch of 90°, upward initial velocity of 12.7m/s, and initial height of 0m. A much simpler equation can be used to find the maximum height.

\(h_{max} = h_ {0} + \frac{{v_0}^{2} }{2g}\)

this means that the max height is equal to the initial height plus the initial velocity squared divided by 2 times the acceleration of earth's gravity(≈9.8m/s^2 or 10m/s^2 depending on how you fix it).

when substituted into the equation, you should get.

(9.8m/s^2)

hmax = 0 + ((12.7)^2)/(2*9.8)

hmax = 161.29/19.6 ≈ 8.22

hmax = 8.22m

Answer:

500Joules

Explanation:

Kinetic energy = 1/2mv²

m is the mass of the wood

v is the velocity

Given

Mass = 10kg

Velocity v = 10m/s

Substitute into the formula and get KE

KE = 1/2 * 10 * 10²

KE  = 1/2 * 1000

KE = 500Joules

Hence the kinetic energy of the wood during delivery is 500Joules

The maximum current that can be drawn from the battery without the terminal voltage dropping below 8.90 v is 75 A.

To calculate the maximum current that can be drawn from the battery without the terminal voltage dropping below 8.90 V, we need to use the equation: `V = E - Ir`, where `V` is the terminal voltage, `E` is the electromotive force, `I` is the current, and `r` is the internal resistance of the battery.Rearranging the equation, we get: `I = (E - V)/r`Substituting the given values, we get: `I = (9.00 V - 8.90 V)/0.012 Ω`I = 8.33 ΩΩ, or 75 A (rounded to the nearest whole number).Therefore, the maximum current that can be drawn from the battery without the terminal voltage dropping below 8.90 V is 75 A.

We know that the internal resistance of the battery is 0.012 Ω and the electromotive force is 9.00 V. The formula used to calculate the maximum current that can be drawn from the battery without the terminal voltage dropping below 8.90 V is I = (E - V)/r.Here, E = 9.00 V, V = 8.90 V, and r = 0.012 Ω.I = (9.00 V - 8.90 V)/0.012 ΩI = 83.3 ΩΩRounding off to the nearest whole number gives the answer of 75 A. Therefore, the maximum current that can be drawn from the battery without the terminal voltage dropping below 8.90 V is 75 A.

To know more about maximum current visit :-

https://brainly.com/question/30030208

#SPJ11

a) The motion of the object between 15 s to 30 s is increasing velocity, to a constant velocity and finally a decreasing velocity.

(b) The average velocity of the object between 0 and 15 seconds is 0.167 m/s.

(c) The position of the object at 5.0 seconds is 0.5 m.

(d) Between 30 and 40 seconds, the velocity of the object is decreasing and the object is decelerating.

(a) The motion of the object between 15 s to 30 s can be described as increasing velocity, to a constant velocity and finally a decreasing velocity.

(b) The average velocity of the object between 0 and 15 seconds is calculated as;

average velocity = total displacement / total time

average velocity = (2.5 m - 0 m ) / ( 15 s - 0 s ) = 0.167 m/s

(c) The position of the object at 5.0 seconds is calculated as follows;

at 5.0 seconds, the position of the object is traced from the graph as 0.5 m.

(d) The motion of the object between 30 and 40 seconds is calculated as;

velocity = ( 0 m - 4 m ) / ( 40 s - 30 s ) = - 0.4 m/s

Between 30 and 40 seconds, the velocity of the object is decreasing and the object is decelerating.

Learn more about displacement - time graph here: https://brainly.com/question/19144777

#SPJ1

Answer:

D. Theories can be modified over time, while laws cannot be modified over time.

Explanation:

a scientific theory is an in-depth explanation of the observed phenomenon. A law is a statement about an observed phenomenon or a unifying concept, according to Kennesaw State University

A theory is an explanation for what has been shown many times. A scientific law is a relationship in nature that has been proved many times and there are no exceptions

When you push a pencil off your desk, the energy transformation that takes place is that potential energy transforms into kinetic energy.

The correct answer to the given question is option C.

Potential energy is the energy stored within an object because of its position or configuration.

In this scenario, the pencil has potential energy because of its elevated position on the desk. When the pencil is pushed off the desk, it begins to move, which means that it has kinetic energy. Kinetic energy is the energy of motion.

As the pencil falls off the desk, its potential energy is transformed into kinetic energy, which is the energy that results from its motion. The faster the pencil falls, the greater its kinetic energy will be because kinetic energy is directly proportional to the square of an object's velocity.

Therefore, when you push a pencil off your desk, the potential energy that it has because of its elevated position is transformed into kinetic energy as it falls towards the ground.

For more such questions on energy transformation, click on:

https://brainly.com/question/28982142

#SPJ8

Answer:

The answer is A

Explanation:

I have had this question before

hope this helps!! <3

The one that is not a way in which life is dependent on photosynthesis is that helping in cure of diseases. The correct option is C.

Photosynthesis is a technique that plants as well as other lifeforms use to transform light energy into chemical energy that can then be released to fuel the organism's activities via cellular respiration.

Photosynthesis' primary function is to convert solar energy into chemical energy and then store that chemical energy for later use. This process powers the majority of the planet's living systems.

Photosynthesis is essential to all living things because it is the primary source of oxygen in the atmosphere.

Without photosynthetic activity, the carbon cycle would not have been possible, oxygen-requiring life would perish, and plants would perish.

Due to photosynthesis, the organisms breathe in the oxygen, sugar is used as a food, and also helps to lower down global warming.

Thus, the correct option is C.

For more details regarding photosynthesis, visit:

https://brainly.com/question/1388366

#SPJ2

Assuming the light ray enters the glass from air at an angle, it will bend towards the normal (an imaginary line perpendicular to the surface of the glass) as it enters the glass due to the decrease in speed.

Once inside the glass, the light ray will continue to travel in a straight line until it reaches the other side of the glass. As it exits the glass and enters air again, it will bend away from the normal due to the increase in speed.

Overall, the path of the light ray will be bent twice, once when it enters the glass and again when it exits the glass, due to the change in the speed of light in the two different media.

Learn more about light ray Visit: brainly.com/question/30614297

#SPJ4

If the angular momentum is  5.0 kg⋅m²⋅s, you are riding down the road at  13.12 m/s.

To determine the speed at which you are riding down the road based on the given angular momentum, we can use the equation:

l = I * ω

Where:

l is the angular momentum

I is the moment of inertia

ω is the angular velocity

The moment of inertia of a solid disk can be calculated as:

I = (1/2) * m * r²

Substituting the given values into the equation:

I = (1/2) * 2.0 kg * (0.38 m)²

I ≈ 0.1448 kg⋅m²

Now, rearranging the equation for angular momentum, we have:

ω = l / I

ω = 5.0 kg⋅m²⋅s / 0.1448 kg⋅m²

ω ≈ 34.53 rad/s

Finally, to determine the linear speed at which you are riding down the road, we can use the relationship between angular velocity and linear velocity:

v = ω * r

Substituting the values:

v = 34.53 rad/s * 0.38 m

v ≈ 13.12 m/s

Learn more about angular momentum here:

https://brainly.com/question/30284719

#SPJ11

The approximate height of the cliff is 91.6 meters. To solve this, we can use the kinematic equation:

d = vit + 1/2a*t^2

where d is the height of the cliff, vi is the initial velocity of the stone (which is horizontal, so vi = 10.0 m/s), t is the time for the stone to fall (4.30 s), and a is the acceleration due to gravity (-9.81 m/s^2).

Since the stone was thrown horizontally, its initial vertical velocity is 0. Therefore, we can simplify the equation to:

d = 1/2at^2

Substituting in the values:

d = 1/2*(-9.81 m/s^2)*(4.30 s)^2

d = 91.6 m

Therefore, the approximate height of the cliff is 91.6 meters.

To know more about Kinematics, click here:-

https://brainly.com/question/7590442

#SPJ11

Explanation:

this is a physical property

This is a "chemical property" in that Titanium interacts with oxygen less than most metals.

A chemical property is a characteristic of a substance that can only be observed or measured by changing the identity of the substance through a chemical reaction.

In this case, the fact that titanium reacts less with oxygen than most metals is a chemical property because it describes how titanium behaves in the presence of oxygen, and it is a result of the chemical properties of titanium's atomic structure and the bonds it forms with oxygen atoms.

In contrast, physical property is a characteristic of a substance that can be observed or measured without changing its identity.

Titanium reacts less with oxygen than most metals do. This is a "chemical property".

Thus, the correct answer would be option (B) chemical property.

Learn more about the reaction of titanium with oxygen here:

https://brainly.com/question/8450127

#SPJ6

The amplitude and wavelength are measured in meters while frequency is measured in decibels.

Therefore, the amplitude and wavelength are measured in meters while frequency is measured in decibels.

Learn more about decibels:

https://brainly.com/question/1851849

Answer:

meter
hertz
meters
meters/seconds
decibals

Explanation:

In power computations, the formula P = V × I is commonly used, where P represents power, V represents voltage, and I represents current. The formula relates the instantaneous power in an electrical circuit to the voltage and current at a given moment.

When using this formula, the signs of voltage and current are crucial in determining the direction of power flow and the sign of power. Conventionally, power is considered positive when it is being delivered or consumed by the load, and negative when it is being generated or returned back to the source.

In the formula P = V × I, both V and I are vector quantities, meaning they have both magnitude and direction. The convention is to assign a positive sign to the reference voltage (Vref) and reference current (Iref), which are typically the nominal values used for power calculations.

Now, let's consider the two scenarios:

   P = Vref × Iref:

   Using the positive reference values for voltage and current, this formula calculates the power based on the nominal or reference values. It gives the average or steady-state power being delivered or consumed by the load.

   P = -Vref × Iref:

   Using negative signs for voltage and current would invert the direction of power flow. This formula would calculate the power as negative, indicating power generation or power returned back to the source.

In most practical cases, we are interested in calculating the power delivered or consumed by the load, which aligns with the convention of positive power. Therefore, it is appropriate to use the formula P = Vref × Iref for power computations, rather than using negative signs that would indicate power generation or return.

To learn more about power visit: https://brainly.com/question/11569624

#SPJ11

Answer:

B

Explanation:

Test

Answer:

0.00176

Explanation:

Credit to the person above.

Magnetic objects are either drawn to or pushed away by magnetism. When two magnets with the same poles are positioned close to one another, they push apart and repel. When two dissimilar poles are positioned close to one another, they pull and attract to one another.

A soft iron core makes up an electromagnet. You may alter the magnetic field's strength. Simply cutting off the electricity will demagnetize an electromagnet. Reversing the polarity is possible.

A unique class of magnets called electromagnets has the following characteristics: By switching the direction of the current flow, the polarity of the magnets may be changed. They function as magnets when an electric current is passing through them; they are transient magnets that may be turned on and off.

Learn more about electromagnet refer

https://brainly.com/question/12555869

#SPJ4

Answer:

5

Explanation:

you would divide 150 by 30 and you get 5

Answer:

0.18

Explanation:

The force by effort on the lever is 5.5 N and the load is 1 N. Them actual mechanical advantage of the lever is 0.18.

The lever's mechanical advantage is determined by the output force to input force ratio. This connection demonstrates that, assuming no losses from friction, flexibility, or wear, the mechanical advantage can be calculated from the ratio of the distances from the fulcrum to where the input and output forces are applied to the lever.

The ideal mechanical advantage is calculated as ratio of the distance from the load and the effort from the fulcrum. If we know the actual force acting on both side, we can calculate the actual mechanical advantage (AMA).

The force of effort  = 5.5 N

force by the load on the lever = 1 N

AMA    = load / effort

           = 1 /5.5 = 1.8

Therefore, the mechanical advantage of the lever is 0.18.

Find more on mechanical advantage:

https://brainly.com/question/16617083

#SPJ2

Answer:

1440 J

Explanation:

Voltage (V) = 12 v

Current (I) = 0.4 A

Time (t) = 5min = 300sec

Power = Voltage x Current;

P = V x I = 12 x 0.4 = 4.8 W

We founded power, so for now we have to find energy. We will use another formula of power:

Power = Energy / Time

For now we will rearange the formula to find energy:

Energy = Power x Time;

E= P x t = 4.8W x 300sec = 1440 J

Answer:

6 types of energy and their transfers are noted:  nuclear, light, chemical synthesis, chemical decomposition, mechanical , potential, and kinetic, along with an explanation.

Explanation:

Each energy transition is noted with a "*#."

1.  Lets start with the solar system's sun.  It is comprised of hydrogen and helium atoms that collide with enough force to join and become different elements.  The nucleus is broken apart and particles rearrange to form a new atom, perhaps berylium.  Some of the energy holding the nucleus together is released in the form of heat and light.  The energy in the nucleus is relesased in a nuclear reaction  *1.

*1  Nucleus of an atom releases energy as heat and light.

----------------

The light from the sun goes all directions.  A portion hits the Earth during the daylight hours.  Life has evolved on Earth to to the point that certain plants and some other organisms can capture the light energy.  Trees are a good example.  The chlorophyll in trees is able to capture the light energy and use it to synthesize compounds such as sugars (photosynthesis).  The energy is used to create the bonds of the elements in a sugar molecule.  *2 The process of photosynthesis makes structural compounds as well as sugars.  The sugars carry the stored chemical energy to other parts of the plant involved with metabolism.  When energy is required, the sugars are metabolized into smaller compounds, releasing the energy from the former chemical bonds.

  *2  Chemical energy contained in chemical bonds

---------

Trees also contain complex polymeric celluloses that are made of of complex molecules with many high-energy bonds.That energy may be released if the wood is burned. *3 A small amount of heat, known as the activation energy (e.g., a match), can cause the bonds to break and release even more heat.  This results in fires, which is the conversion of chemical energy into heat and light.

*3.  Decomposition (sometimes combustion)  is the release of chemical energy as heat and light.

----

The heat from a fire may be used to boil water and make steam.  The ability of steam to create pressure on a piston to create movement is the foundation of the industrial revolution.  This is the conversion of chemical energy to heat and then heat to mechanical motion.  

*4.  Conversion of heat to mechanical motion energy.

Stem engines do many tasks.  One is to raise materials such as structural beams to heights above ground for the construction of building.  The mechanical energy is tranferred into potential energy.  *5 This is the energy contained in an object above Earth's surface.  It can be recovered with the object comes back to Earth, if it were attached to a pulley that is used to lift something.

  *5.  Conversion of Mechanical energy to potential energy

An object above Earth has a potential energy that can be coverted to kinetic energy.  If the object is allowed to drop, the potential energy is conveted into kinetic energy.  *6 Physics and Chemistry have formulas that can precisely predict the speed and trajectory of such objects.  They are based on the value for potential energy being converted to kinetic energy which is the speed of the object.

  *6 Conversion of Potential energy to kinetic energy

Fire (Chemical energy → Heat and Light) Electric lamp (Electrical energy → Heat and Light) Microphone (Sound → Electrical energy) Wave power (Mechanical energy → Electrical energy)

Energy is characterised as having the "ability to accomplish work, which is the capacity to apply a force sufficient to move an object." Despite this unclear definition, the concept is actually quite straightforward energy is just the force that moves objects. Potential and kinetic energy are the two different categories.

It is possible to change the form of energy. Examples Our cars are filled with gasoline (chemical), which, with the aid of electrical energy from a battery, produces mechanical (kinetic) energy. Our TVs are powered by purchased electricity, which is then transformed into light and music.

Learn more about Energy here:

https://brainly.com/question/13881533

#SPJ1

The minimum thickness of the oil film that will cause destructive interference for green light (λ = 546 nm) is 93.8 nm.

When light passes through a thin film of oil, some of it reflects off the top surface of the film, and some of it reflects off the bottom surface of the film. When these two reflected waves recombine, they can interfere constructively or destructively, depending on the thickness of the film and the wavelength of the light.

In this case, we are told that the green light with a wavelength of λ = 546 nm is absent in the reflection. This means that the thickness of the oil film must be such that the waves reflecting off the top and bottom surfaces of the film interfere destructively for this particular wavelength.

The condition for destructive interference is:

2nnnt = (m + 1/2)λ

where n is the refractive index of the oil, t is the thickness of the oil film, λ is the wavelength of the light, and m is an integer that depends on the order of the interference.

For the first-order interference (m = 1), the equation becomes:

2nnnt = λ/2

Substituting the values given in the problem, we get:

2(1.46)(t) = 546 nm/2

Solving for t, we get:

t = 93.8 nm

Click the below link, to learn more about Thickness of oil film:

https://brainly.com/question/13034506

#SPJ11

Answer:

Kinetic energy is directly proportional to mass: if you double the mass, then you double the kinetic energy.

Explanation:

The faster something is moving, the greater the force it is capable of exerting and the greater energy it possesses. Thus a modest increase in speed can cause a large increase in kinetic energy.

Answer:

Insulators show very high resistance to electricity. Conductors like copper show some resistance. Another class of materials show no resistance at all when cooled to very low temperatures, cooler than the coolest deep freezer. Called superconductors, they were discovered in 1911.

Explanation: i looked it up

The rotational inertia of a pencil is greatest about an axis about its midpoint, like a propeller, option B.

""Rotational inertia," also known as "moment of inertia." Rotational inertia is a measure of an object's resistance to changes in its rotational motion, and is defined as the sum of the products of the masses of each particle composing an object and the square of their distances from a chosen axis of rotation.

The larger an object's rotational inertia, the harder it is to get it rotating, or to change its rotational speed.

Learn more on rotational inertia here: https://brainly.com/question/14001220

#SPJ1

Answer:

Q. Describe the image.
Ans. The object is between the focal point and the optical centre. Hence, the image does not converge to form a real image but rather diverges to form a virtual image. It lies on the same side as the object. The Image is enlarged and upright with its arrowhead pointing up.

Q. Give a real-life example of the use of the lens shown on the diagram.

Ans. Magnification glass, Camera lens.