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Kinematics

Kinematics is the study of how a body moves. This includes linear motion, angular motion, and rotational motion.

3,459 Questions

What is a measure of average kinetic energy of a group of molecules?

The temperature of a sample of nitrogen gas is a measure of the molecules' average # activation energy # potential energy # kinetic energy # ionization energy Answer 3 Reason Temperature measures average kinetic energy.

What is kinetic energy and potential energy combined?

The sum of kinetic energy and potential energy is called mechanical energy. Mechanical energy represents the total energy of an object due to its motion and position. It is conserved in the absence of non-conservative forces like friction.

What are 5 energy conversions in a roller coaster?

  1. Potential energy to kinetic energy: at the top of a hill, the coaster has high potential energy which is converted to kinetic energy as it speeds down the hill.
  2. Kinetic energy to potential energy: as the coaster climbs up a hill, its kinetic energy decreases and is converted back to potential energy.
  3. Mechanical energy to thermal energy: friction between the coaster and the track converts mechanical energy into thermal energy, causing the coaster and track to heat up.
  4. Electrical energy to kinetic energy: in a launched coaster, electrical energy is converted to kinetic energy as the coaster accelerates along the track.
  5. Potential energy to sound energy: when the coaster goes over bumps or loops, potential energy is converted to sound energy as the coaster vibrates and creates noise.

What is potentional energy?

Energy not in Motion. A good battery has the pontential to light a light bulb. Your house AC outlets have potentional voltage there at the socket to power up your home appliances. A strectched rubber band has stored potential to hurt you if you don't know how to flip it at you target.

How does a hybrid take the kinetic energy of a moving vehicle and turn it into potential energy?

A hybrid car uses regenerative braking to capture the kinetic energy of a moving vehicle and convert it into electrical energy. When the car brakes, the electric motor works in reverse to slow down the car and generate electricity, which is then stored in the battery as potential energy for later use.

What is the formula to convert feet per second to miles per hour?

Well, there are 1609.344 meter in one mile, and there are 3600 seconds in one hour,

so 1mph times 1609.344 meters per mile equals 1609.344 meters per hour and 1609.344 meters per hour times 1 hour per 3600 seconds equals .44704 meters per second.

In other words take your mph, multiply by .44704, and that's how many meters per second it equals.

What happen to kinetic energy of the rock as it gets higher and higher?

Unless the speed of the rock changes, the kinetic energy does not change. If you are talking about a rock that is being thrown, of course the kinetic energy decreases as kinetic energy is converted into potential by the conservative gravitational force.

How many miles per minute is 18 miles per hour?

To convert 18 miles per hour to miles per minute, divide by 60 (since there are 60 minutes in an hour).

(18 \text{ miles per hour} = \frac{18}{60} = 0.3 \text{ miles per minute}).

How fast in mph is 205 knots?

205 knots is equivalent to approximately 236 miles per hour (mph).

Where is acceleration represented on a distance verses time squared graph?

In general, nowhere, because acceleration is the second derivative of distance with respect to time. However, in the special case of a constant acceleration, the acceleration will be twice the slope of the line, since distance = 0.5 * time squared.

What is the velocity time graph of a stationary object?

The velocity-time graph of a stationary object would be a horizontal line at the x-axis, indicating a constant velocity of zero. This means that the object is not moving or changing its position over time.

What is kinematic link?

A kinematic link is a rigid body that forms part of a mechanical system, providing a connection between other components without undergoing deformation. It is used in mechanisms to transmit motion and forces within the system while maintaining its shape and structure. Kinematic links play a crucial role in determining the overall movement and functionality of a mechanical system.

If a ball is perfectly elastic and is dropped in a perfect vacuum will gravity ALONE be enough to make the ball bounce lower with each successive bounce finally coming to rest?

The answer is no. Perfect elasticity means the ball does not lose energy to internal heating. We presume the surface dropped upon is also perfectly elastic. Vacuum means the ball has no air resistance thus no drag. An argument could be made that the bounce must not make any sound, since this would remove energy from the system. There are some other odd mechanisms one could think of, like van der Waals, but the basic answer you are looking for is "no".

How long does it take for a Delorean to reach 88 miles per hour on its oun power?

A stock DeLorean DMC-12 would take around 25-30 seconds to reach 88 miles per hour on its own power.

How do you store sound energy?

Sound Energy can't be stored in any way! Whenever u'll try to store it....it will get converted into another form of energy as per the fundamental concept of conservatism of energy which says that "energy can never be destroyed, it simply gets converted into another form of energy!" Hope it will suffice!

Is a dog sleeping an example of kinetic or potential energy?

Assuming this is a real question, and not just a joke, the answer is "potential", as there is no motion.

What term refers to the total kinetic energy of the particles in a material?

Thermal energy is the term for total kinetic energy in a substance, according to a 5th grade science book. There may be other forms of energy in a substance, but thermal energy is the total kinetic energy.

Temperature is a measure of the average kinetic energy of the particles in a sample.

What is the effect of decreasing the surface area of the block in contact with the table on the coefficient of kinetic friction?

Decreasing the surface area in contact with the table will increase the pressure at that contact point. This can lead to an increase in the coefficient of kinetic friction, as the roughness at the microscopic level can become more significant.

How many hours equal 1098 miles at 70 miles per hour?

To calculate the time taken to cover 1098 miles at 70 miles per hour, you divide the total distance by the speed. So, 1098 miles / 70 miles per hour = approximately 15.69 hours.

What are two factors that affect the density of an object?

density is the constant found by dividing the mass (in grams) by the volume in centimeters cubed (sometimes milliliters). other units are possible but are not common in science classes. every substance has a set density, that never changes. the more you have in mass, the same higher proportion of volume comes with it. the density of pure water is 1.000 gram per cm3 the density of copper is 8.960 grams per cm3

How many mph equal one G force?

You can not equate miles per hour to G forces. If you were traveling at 1000 mph, for example, but at a constant speed, you would fell no extra force since you are not accelerating.

What describes both speed and direction?

Velocity describes both the speed and direction an object is moving.

What does the quote one thing for certain two things for sure mean?

28 And we know that all things work together for good to them that love God, to them who are the called according to his purpose.

Romans 8:28 (KJV)

Sermon topic: "Git in Where You Fit in" 11-18-12

Pastor Brian Hall

House of David

1779 S. 4th St.

Columbus, Ohio 43207

P.O. Box 91331 43209

e-mail: fellowprisoner@yahoo.com

Which is greater static or kinetic energy?

You can not make a decisive answer without knowing the MASS of the Object and its relative POSITION and Velocity in its Reference Frame.

They could be Equal, or either one greater than the other.