A student designs an experiment to demonstrate the conservation of gravitational potential and kinetic energy. She drops a wooden block from rest through a photogate 2.0 m below. If energy is conserved, how fast should the block be travelling when it passes through the photogate?
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Physics, 23.06.2019 02:00
2) why do satelites not fall while revolving around the earth?
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Physics, 23.06.2019 17:00
Ajetliner flies east 2000 miles from san francisco to chicago. it has an average air speed of 600 mph relative to the air. what is the velocity of the jetliner relative to the earth if the wind is blowing at 150 mph from the west to east
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Physics, 23.06.2019 20:20
10. a person with a mass of 15 kg is walking uphill at a velocity of 2 m/s. what is the walker's momentum? a. 15 kg-m/s b. 30 kg-m/s c. 10 kg-m/s d. 13 kg-m/s 16. two bouncy balls colliding with each other is an example of what type of collision? a. inelastic collision b. elastic collision c. parallel collision d. mass collision 20 which of the following is considered to be a vector? a. temperature b. mass c. velocity d. time
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A student designs an experiment to demonstrate the conservation of gravitational potential and kinet...
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