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To make a bounce pass, a player throws a 0.60 kilogram basketball toward the floor. The ball hits the floor with a speed of 6.5 m/s at an angle of 70 degree from the vertical. If the ball rebounds with the equal speed and angle, find what impulse delivered to it by the floor?
The electric field on the axis of a uniformly charged ring has magnitude 350kN/c at a point 6.0cm from the ring center. Find the rings charge in nC
a 3000 kg car passes over a bump in a road that follows an arc of circle of radius 40m. what force does the road exert
A farmer planted a field of Bt 123 corn and wants to estimate the yield in terms of bushels per acre. He counts 22 ears in 1/1000 of an acre. He determines that each ear has about 700 kernels on average. He also knows that the bushel contains abou..
Consider the reaction 4He + 40Ca -> 3H + 21Sc Find the minimum laboratory kinetic energy for the 4He projectile if 40Ca is stationary
Calculate the solar zenith angle at 9am local sun time at Seattle (47degrees N, 122 degrees W) at summer solstice and at winter solstice.
The NO molecule has a doubly degenerate electronic ground state and a doubly degenerate excited state at 121.1 cm^-1. Calcuclate the electronic contribution to the molar heat capacity of the molecule up to 500K.
An unidentified flying object (UFO) flashes across the night sky. A UFO enthusiast on the top of Pike's Peak determines, how long is the UFO according to its pilot
three point charges have equal magnitudes two being positive and one negative. these charges are fixed to the corners
A standing wave pattern on a string is described
three objects, with m1 = 10.2 kg and m2 = 23.5. They are connected by strings that pass over massless and frictionless pulleys. What is the acceleration of the three objects
Ball 1, with a mass of 150g and traveling at 10.0m/s , collides head on with ball 2, which has a mass of 300g and is initially at rest. What are the final velocities of each ball if the collision is perfectly elastic? What are the final velocities of..
what happens to speed of sound in air if you quadruple the temperatur of the air, How many times larger does it become
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