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A uniformly charged thin ring has radius 14.5cm and total charge 20.0nC . An electron is placed on the ring's axis a distance 33.0cm from the center of the ring and is constrained to stay on the axis of the ring. The electron is then released from rest.
Find the speed of the electron when it reaches the center of the ring
A 10 ball of clay traveling east at 9 collides and sticks together with a 40 ball of clay traveling north at 6.5. What is the speed of the ball of clay.
A car rounds a banked curve. The radius of curvature of the road is R .the banking angle is a. the coefficient static friction is f.
Conclude the magnitude of angular acceleration
If a curve with a radius of 85 is perfectly banked for a car traveling 71 , what should be the coefficient of static friction for a car not to skid when traveling at 86.
At this point, he throws a 39 yard forward pass straight down the field. Illustrate what is the magnitude of the football's resultant displacement?
A crate of mass 10.3 kg is pulled up a rough incline with an initial speed of 1.51m/s. The pulling force is 97N parallel to the incline, which makes an angle of 20.3 ° with horizontal. The coefficient of kinetic friction is 0.400, and the crate is..
A tennis ball rolls off the edge of a tabletop of height 0.850m above the floor and strikes the floor at a point a horizontal distance 1.80 m from the edge of the table. You can ignore air resistance. Find out the time of flight.
Two parallel conductors carrying current in the same direction attract each other. If they are permitted to move toward each other, the forces of attraction do work. Where does the energy come from? Does this contradict the assertion in that magne..
A 78-kg base runner begins his slide into second base when he is moving at a speed of 4.2 m/s. The coefficient of friction between his clothes and Earth is 0.70. He slides so that his speed is zero just as he reaches base.
Iodine-131 has a half-life of 8 days. A 2-gram sample of at first pure iodine-131 is stored for 32 days. How various grams of iodine-131 remain in the sample afterwards.
A 0.27 kg rock is thrown perpendicularly upward from the top of the cliff that is 32 m high. When it hits the ground at the base of cliff, the rock has a speed of 29 m/s. suppose that air resistance can be ignored, find out A) initial speed of the ro..
Without taking the existence of the nebula into consideration, based on its apparent magnitude, how far away does the star in part (b) appear to be? What would the propotion error be in determining the distance if interstellar extinction were negl..
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