Physics, 05.01.2022 14:00 arielpraczko1
Jason has 13720 J of gravitational potential energy standing at the top of a cliff over the lake. If he jumps off the cliff and falls into the water below, how much kinetic energy will he have when he reaches the surface of the water? Explain. He comes to a stop 5 m beneath the surface of the lake. With what force does the water push on him while stopping him?
Answers: 2
Physics, 22.06.2019 12:30
An ice-making machine inside a refrigerator operates in a carnot cycle. it takes heat from liquid water at 0.0 degrees celsius and rejects heat to a room at a temperature of 19.2 degrees celsius. suppose that liquid water with a mass of 76.3kg at 0.0 degrees celsius is converted to ice at the same temperature. take the heat of fusion for water to be l_f = 3.34*10^5 j/kg.how much energy e must be supplied to the device? express your answer in joules.
Answers: 1
Physics, 22.06.2019 23:10
Ablue car pulls away from a red stop-light just after it has turned green with a constant acceleration of 0.5 m/s 2 . a green car arrives at the position of the stop-light 6.5 s after the light had turned green. if t = 0 when the light turns green, at what time does the green car catch the blue car if the green car maintains the slowest constant speed necessary to catch up to the blue car? answer in units of s.
Answers: 1
Physics, 23.06.2019 04:00
Can anyone plz answer any of these. even if its one it will
Answers: 1
Jason has 13720 J of gravitational potential energy standing at the top of a cliff over the lake. If...
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