Physics, 18.10.2020 15:01 KKHeffner02
assume a person bouncing a ball represents a closed system. which statement best decribes how the amounts of the ball potenial and kietinic energy change?
Answers: 1
Physics, 22.06.2019 04:00, jaejaeJae9534
Acompound machine is also called a machine. a. force b. simple c. complex d. directional
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Physics, 22.06.2019 04:50, tagerryawilson6
Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves
Answers: 2
Physics, 22.06.2019 09:00, bendmads04
In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final
Answers: 1
Physics, 22.06.2019 13:40, crayons18
An ideal otto cycle has a compression ratio of 10.5, takes in air at 90 kpa and 40°c, and is repeated 2500 times per minute. using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 90 kw of power.
Answers: 2
assume a person bouncing a ball represents a closed system. which statement best decribes how the am...
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