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A tangential force acts on the rim of a 2.0 kilogram disk-shaped wheel (0.50 m radius) and gives the wheel an angular acceleration of 4.8 rad/s2. neglect friction and find the magnitude of the force.
particle a of charge 4.00 10-4 c is at the origin particle b of charge -5.00 10-4 c is at 7.00 m 0 and particle c of
One of the tenets of the pseudoscience (i.e., "false science") of astrology is that, in some mysterious way, the positions of the planets at the time of the person's birth somehow influence the characteristics of that person.
A body cools from 50 degre celcious to 49 degree celcious in 5 seconds. Hw long would it take to cool from 40 degree celcious to 39 degree celcious.
A car is rounding a curve with a radius of 12.0 m at 8.2m/s when it hits a slippery patch. What is the minimum coefficientof static friction between the car and the slick patch of road that will allow the car to round the corner safely?
Construct a point charge configuration with three charges where there is a point (not at infinity) where the electric field is zero.
An electron has an initial velocity of 5.00 106 m/s in a uniform 3.00 105 N/C strength electric field. How far does the electron travel before coming to rest
A boy 11.0m above the ground in a tree throws a ball for his dog, who is standing right below the tree and starts running the instant the ball is thrown. How far from the tree will the dog catch the ball
A 1.5-kg mass attached to spring with a force constant of 20.N/m oscillates on a horizontal, frictionless track. At t=0, the mass is released from rest at x=10.0 cm (That is, the spring is stretched by 10.00cm)
Relative to the ground, a car has a velocity of 14.5 m/s, directed due north. Relative to this car, a truck has a velocity of 24.5 m/s, directed 52.0° north of east. What is the magnitude of the truck's velocity relative to the ground?
A catapult launches a rocket at an angle of 50.8° above the horizontal with an initial speed of 89 m/s. Find the maximum altitude reached by the rocket
A bicyclist is finishing his repair of a flat tire when a friend rides by with a constant speed of 3.27 m/s. What is his speed when he catches up
The space shuttle is in a 400km - high circular orbit. It needs to reach a 700 km -high circular orbit to catch the Hubble Space Telescope for repairs. how much energy is required to boost it to the new orbit
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