Choose all the answers that apply.
A gas .
has a fixed volume
ha...
Physics, 03.03.2020 21:40 joycetleiji1
Choose all the answers that apply.
A gas .
has a fixed volume
has a fixed shape
is difficult to compress
takes the shape of its container
has molecules with a lot of kinetic energy
Answers: 3
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Amachinist turns the power on to a grinding wheel, at rest, at time t = 0 s. the wheel accelerates uniformly for 10 s and reaches the operating angular velocity of 96 rad/s. the wheel is run at that angular velocity for 40 s and then power is shut off. the wheel slows down uniformly at 1.5 rad/s2 until the wheel stops. in this situation, the time interval of deceleration is closest to:
Answers: 3
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The energy released by a nuclear fusion reaction is produced when
Answers: 1
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Awave with a frequency of 500 hz is traveling at a speed of 100 m/s.what is the wavelength?
Answers: 1
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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
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