Physics, 17.01.2020 19:31 breannaasmith1122
If a ball dropped from a tower reaches the ground after 3.5 seconds, what is the height of the tower?
given: g = -9.8 meters/second2
Answers: 3
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A100-watt light bulb illuminates a solar cell. the electricity from the solar cell operates a water pump that delivers 1 watt of power. what is the efficiency of the system?
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Arocket starts from rest and moves upward from the surface of the earth. for the first 10.0 s of its motion, the vertical acceleration of the rocket is given by ay = 12.80 m/s32t, where the +y-direction is upward. (a) what is the height of the rocket above the surface of the earth at t = 10.0 s? b) what is the speed of the rocket when it is 325 m above the surface of the earth?
Answers: 3
If a ball dropped from a tower reaches the ground after 3.5 seconds, what is the height of the tower...
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