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Physics, 22.06.2019 18:30, breiajr
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?
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Physics, 22.06.2019 20:00, PurpleAndBlue
Awave has a wavelength of 7 mm and a frequency of 19 hertz. what is its speed?
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Pmax=80 kips and Pmin=20 kips. Assume the load is equally distributed to all the bolts. It has been...
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History, 12.10.2019 23:30