Physics, 10.01.2021 02:20 jonesromari
2. An apple with a mass of 3 kg falls from a branch 2 meters high. Just before it hits the ground, it has a velocity of 6.26 m/s. What is the gravitational potential energy of the apple before it starts to fall?
Answers: 1
Physics, 22.06.2019 01:00
15. give an example for some particles or waves that are moving faster than light in everyday life 16. what is a laser? 17. what is an oscilloscope? 18. what does it means practically that nothing is faster than light in vacuum? 19. what is vacuum?
Answers: 2
Physics, 22.06.2019 01:30
Astone is dropped with no initial velocity from the top of a cliff and hits the ground a time of 3.9 s later. what is the height of the cliff, in units of meters? you may assume that air resistance is negligible. give the answer as a positive number question 15 a figure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 200 o 20.9 12000 o 3.33
Answers: 2
Physics, 22.06.2019 07:00
Suppose while hauling rocks, you accidentally drop one. it breaks apart in flat, planar sections. what type of rock did you just drop? 20 points
Answers: 3
Physics, 22.06.2019 07:20
If 2 moles of co_2 at 2l and 500k are expanded reversibly to 20l, more work can be obtained from an adiabatic process than from an isothermal process. is the above statement true or false?
Answers: 3
2. An apple with a mass of 3 kg falls from a branch 2 meters high. Just before it hits the ground, i...
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