Physics, 15.10.2019 00:30 vinp190p9zekn
Aracquetball strikes a wall with a speed of 30 m/s and rebounds with a speed of the collision takes what is the average acceleration of the ball during the collision?
200 m/s2
zero
2800 m/s2
1300 m/s2
1500 m/s2
Answers: 1
Physics, 22.06.2019 03:30
What is the momentum of a 2 kg object moving at 15 meters per second
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Physics, 22.06.2019 06:00
Aball is thrown upward. at a height of 10 meters above the ground, the ball has a potential energy of 50 joules (with the potential energy equal to zero at ground level) and is moving upward with a kinetic energy of 50 joules. what is the maximum height h reached by the ball? consider air friction to be negligible. 1. h β 10 m 2. h β 50 m 3. h β 30 m 4. h β 40 m 5. h β 20 m 003 10.0 points which of the two object shown below has the greatest kinetic energy? a m b 1 2 m v 2v 1. kinetic energies are the same. 2. a 3. b 4. unable to determine. 004 10.0 points tim, with mass 74.6 kg, climbs a gymnasium rope a distance of 3.1 m. the acceleration of gravity is 9.8 m/s 2 . how much potential energy does tim gain? answer in units of j. 005 10.0 points a car is moving at 64 miles per hour. the kinetic energy of that car is 5 Γ 105 j. how much energy does the same car have when it moves at 111 miles per hour? answer in units of j. 006 10.0 points an 102 kg man climbs up a 1 m high flight of stairs. the acceleration of gravity is 9.81 m/s 2 . w
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Physics, 22.06.2019 17:30
Patricia is trying to compare the average rainfall of new york to that of arizona. a comparison between these two states for the months of july through september would best be measured in
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Physics, 23.06.2019 01:00
Two solutions of the same uv-absorbing molecule were analyzed by uv-vis spectroscopy on the same instrument using 1 cm pathlength cells. use data from the table to calculate by what percentage the concentration of solution b is compared to that of solution a.sample absorbance at 315nm a 0.45 b 0.80
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Aracquetball strikes a wall with a speed of 30 m/s and rebounds with a speed of the collision takes...
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