Quick physics questions! will give
which of these is the best example of an elastic collisi...
Physics, 14.11.2019 14:31 freemankellie
Quick physics questions! will give
which of these is the best example of an elastic collision?
a rubber ball is dropped from 1.2 m and bounces back up to a height of 0.8 m.
a billiard ball strikes another of the same mass at rest and stops, and the second ball then moves with the same velocity as the first ball.
a cart rams a similar cart and latches onto it with a loud clack.
a cart rams another with a compressed spring, which is released, pushing them apart.
two objects, a and b, each of mass 0.22 kg, are moving at 0.52 m/s directly toward each other. a completely inelastic collision occurs and both objects stop. what percentage of the total kinetic energy is changed into other forms of energy?
Answers: 2
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Use the right-hand rule for magnetic force to determine the charge on the moving particle. this is a charge.
Answers: 1
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What is friction? how does it affect the motion of an object?
Answers: 1
Physics, 22.06.2019 18:30
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
Physics, 22.06.2019 23:50
Which property is expressed in distance units? o a. period o b. wavelength o c. speed o d. frequency
Answers: 2
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