Physics, 09.11.2020 19:40 sariahieveryone
4 250 m
2 The speed of a car is increased uniformly from 11 meters per second to 19 meters per second. The average speed of the dar
during this interval is
1.0.0 m/s
2 15 m/s
3 30. m/s
4 4 0 m/s
Answers: 2
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Within a pendulum, as potential energy decreases, energy increases. a. heat b. kinetic c. frictional d. gravitational
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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?
Answers: 1
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Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?
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A14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.
Answers: 2
4 250 m
2 The speed of a car is increased uniformly from 11 meters per second to 19 meters per seco...
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