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A mass at the end of a spring is at distance x = +2.18 cm from the equilibrium position moving with velocity v = - 20.2 cm/s. The angular frequency of the oscillations is ? = 2.45 rad/s.
Find the amplitude of the motion in cm.
With what minimum speed must you toss a 160 g ball straight up to hit the 10 m high roof of the gymnasium if you release the ball 1.60m above the ground? Solve this problem using energy.
when released from rest from this spot, the particle arrives at B with twice the speed it previously had, or 2vB. Find out the potential at B.
A 0.50 kg ball that is tied to the end of a 1.30 m light cord is revolved in a horizontal plane with the cord making a 30° angle, with the vertical. If the cord can withstand a maximum tension of 9.5 N, what is the highest speed at which ball can ..
Two shoppers walk from the door of mall to their car, that is 250m down a lane of cars and then turn 90 degrees to the right and walk an additional 60m what is the magnitude of the displacement of the shopper's car from mall door.
An airplane flies due south at 190-km/h relative to the air. There is a wind blowing at 73.0 km/h to the east relative to the ground. What are the plane's speed and direction relative to the ground.
a 20 kg mass sits on an inclined plane with friction making an angle of 50 degrees with respect to the horizontal. calculate the frictional force required to keep the mass from sliding down the incline
Find out kinetic energy of the merry-go-round
What is an average velocity of the train throughout run
A 1.35 block is attached to a spring with spring constant 14. While the block is sitting at rest, a student hits it with a hammer and almost instantaneously gives it a speed of 50. What are The block's speed at the point where = 0.750 A.
A 380-kg sailboat has an acceleration of 0.636 m/s2 at an angle of 65.5 ° north of east. Find the direction of the net force that acts on the sailboat
A moving particle encounters an external electric field that decreases its kinetic energy from 9800 eV to 8350 eV as the particle moves from position A to position B. The electric potential at A is -43.0 V, and that at B is +23.0 V. Determine the ..
Calculate the the electrical repulsion that each bag exerts on the other. Imagine two 2.0{\rm g} bags of protons, one at the earth's north pole and the other at the south pole.
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