Physics, 22.07.2019 14:00, BreBreDoeCCx
Rock is whirled around in a circle with a slingshot. as the rock leaves the slingshot, it has an instantaneous velocity in a straight line. how do newton's laws of motion explain this?
Answers: 2
Physics, 22.06.2019 17:30, janicemaxwell123
Does heating a metal wire increase or decrease its electrical resistance? why?
Answers: 1
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?
Answers: 3
Rock is whirled around in a circle with a slingshot. as the rock leaves the slingshot, it has an ins...
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