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16 Cards in this Set
- Front
- Back
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Change in thermal energy equation |
Mass * Specific Heat * Change in temperature |
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Kinetic Energy |
0.5 * mass * speed^2 |
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Gravitational potential energy |
9.8 * mass * falling and rising distance |
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Speed |
(Pi * diameter * 10) ÷ Time of 10 rotations |
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What position should you use to calculate the increase in GPE? Pendulum in motion Pendulum at rest |
Pendulum at motion |
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If the temperature of an Aluminum cylinder increases by 1.7ºC as it stops a bike wheel, what would the temperature increase by if they speed of the wheel were twice as great? |
6.8ºC |
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What determines the kinetic energy of a wheel when a stretched spring that was tethered to the wheel is returned to the unstretched length? |
Initial Stretch |
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The change in mass and thermal energy is ___ to eachother |
Proportional |
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How is the increase of thermal energy of the cylinder related to the vertical falling distance? |
The more distance, the more thermal energy PROPORTIONAL |
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____ in GPE equals ____ in KE |
Decrease, Increase |
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What is the kinetic energy of a 678kg truck that is moving with a speed of 13.4 n/s |
6.08 * 10^4 |
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___ is the energy stored in an object as the result of its vertical position or height |
GPE |
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Stretching a spring is an example of what type of energy? |
Elastic |
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When energy is transformed from one form to another what happens to the amount of energy? |
It is converted, not lost. |
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What is the initial speed of the rim if the diameter is 0.64m and the time for 10 rotations is 8.6s? |
2.33 (pi * .64 * 10) ÷ 8.6 |
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What is the increase of thermal energy for a cylinder that has a specific heat of .9, a change in temperature of .54, and a mass of 7.5kg |
3.645 |
