Physics, 05.03.2021 22:40, krissy452

A car has an input of 40,000J and an output of 36,000J. What is the efficiency of this car?

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Physics, 22.06.2019 05:30, anggar20

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Physics, 22.06.2019 10:30, laura52677

Agroup of students were investigating the force of gravity. they began by dropping a foam ball from a height of 3 meters into a bucket of sand. the ball hit the sand in 0.306 seconds. they dropped additional balls of approximately the same diameter, but of different masses. here is the data they collected. based on this experiment and the collected data, what would their conclusion be?