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A 51-g handball moving with a speed of5 m/s strikes the wall at an angle of37° with the normal, and then bounces off with the same speed at the similar angle by the normal. It is in contact by the wall for 2.0 ms. what is the average force exerted by the ball on the wall?
After the first snow of the winter, you and your friends go sledding on the Tecumseh Street overpass of I-35. If the snow is frictionless, the length of the hill is 23 meters, and the angle of the hill is 40 degrees from the horizontal, how fast will..
Block A of Figure has a velocity of 15 ft/sec down slope. How far will the block slide along the slope? How far will the block slide along the slope before stopping?
The hard drive memory of desk-top computer used for word processing has a capacity of 4.0GByte (GB). (A byte is the amount of memory needed to store one alphabetic character.) A single page of double-spaced text requires about 6kB of memory and a ..
At the end of an amusement park ride, you want the gondola to stop without the acceleration exceeding 2 g's. what is the maximum allowed braking force
white light 400 - 700 is incident on a 620 diffraction grating. what is the width of the first-order rainbow on a
A uniform magnetic field is at right angles to the plane of a wire loop. The field decreases by 0.16Tin 3.0×10?3s and the magnitude of the average emf induced in the loop is 82V, What is the area of the loop
A ball is thrown straight upwards from the roof of a tall building. The building is 60.0 m high. find the velocity of the ball right before it hits the ground
Your spaceship lands on an unknown planet. To determine the characteristics of this planet, you drop a 1.30 kg wrench from 3.50 m above the ground, What is the mass of the planet
A ray of light is incident at angle 60 degrees on the upper surface of a transparent plate of thickness h=1cm, What is that lateral displacement d of the outgoing ray with respect to the incident ray
Two metal balls are hung from strings. The first ball, 0.14 kg, is pulled to the side and released, What is the mass of the second ball
A child is floating stationary in a inner tube in a swimming pool. the childs mass is 32 kg. What is the volume of the inner tube
Two railroad cars, each of mass 6500kg and traveling 94 km/h in oppositedirections, collide head-on and come to rest. How much thermal energy is produced in this collision
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