Physics, 21.01.2022 04:20 alexialiles19
A rock is tossed straight up with a speed of 26 m/s. When it returns, it falls into a hole 12 m deep.
What is the rock's velocity as it hits the bottom of the hole?
How long is the rock in the air, from the instant it is released until it hits the bottom of the hole?
Answers: 2
Physics, 21.06.2019 23:30, southerntouch103
A175 g lump of molten lead at its melting point (327 c) is placed into 55.0 g of water at 20.0 c. the specific heat of lead is 130.j/kg c and the hf of lead is 20,400 j/kg. when the lead and the water have reached equilibrium, what is the temperature of the mixture?
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Physics, 22.06.2019 02:30, ntangpricha
Eddy whose mass is 55kg climbs up the 1.50 meter high stairs in 2s. calculate eddy’s power rating
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In an experiment, how can i change human errors? be specific.
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A rock is tossed straight up with a speed of 26 m/s. When it returns, it falls into a hole 12 m deep...
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