Physics, 13.05.2021 03:30 purplefive85
A 78kg sky dive has a speed of 62m/s at an altitude of 870m above the ground, determine the kinetic energy possessed by the skydive ​
Answers: 2
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Truck traveling west on the highway experiences an acceleration to the east. what could be the cause of this acceleration
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In a system, when potential energy decreases, then entropy also decreases. true false
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Physics, 22.06.2019 16:30
In a heat engine if 1000 j of heat enters the system and the piston does 500j of work, what is the final internal energy of the system if the inital energy was 2000 j1.write the equation2.list out your known variables 3. plug the numbers into the equations4.solve 5.write your solution statement that includes initial energy and final energy added.
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Aballoon is rising vertically upwards at a velocity of 10m/s. when it is at a height of 45m from the ground, a parachute bails out from it. after 3s he opens his parachute and decelerates ata a constant rate 5m/s.when. (a) what was the height of the parachutist above the ground when he opened his parachute? (b)how far is the parachutist from the balloon at t=3s? (c)with what velocity does the parachutist hit the ground? (d)after how long does the parachutist hit the ground after his exist from the balloon?
Answers: 3
A 78kg sky dive has a speed of 62m/s at an altitude of 870m above the ground, determine the kinetic...
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