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A 9.0 kg bowling ball races down the lane at 15 m/s before striking a bowling pin (at rest) with a mass of .85 kg. If the .85 kg pin bounces backward with a velocity of 45 m/s, what is the velocity of the bowling ball after the collision?
A baseball player friend of yours wants to determine his pitching speed. You have him stand on a ledge and throw the ball horizontally from an elevation 3.0m above the ground, What is his pitching speed
One displacement vector A has magnitude of 2.78 km and point due north. Another displacement vector B has a magnitude of 7.40 km and also points due north. Provide diagrams and calculate the magnitude and direction of A+B, B-A, A-B.
An alpha particle travels at a velocity of magnitude 420 m/s through a uniform magnetic field of magnitude 0.061 T. compute the magnitude of the acceleration of the particle
Consider a series RLC circuit where R = 345 %u03A9 and C = 5.25 %u03BCF. What is the inductance of the inductor in millihenrys
An astronaut travels to an alternate universe that contains infinite charged plane and no other charged objects. The astronaut observes that the electric field in this universe has a magnitude of 1.20 N/C everywhere and points directly away from the ..
If you lie on the ground at night with no cover, you get cold rather quickly. Much of this is due to energy loss by radiation. Estimate the net rate at which your body loses energy by radiation to the night sky under these conditions
A 86.6-kg sprinter exerts a force of 100 N on the starting block at an angle of 30 with respect to the ground. The horizontal acceleration of the sprinter is
You are the technical consultant for an action-adventure film in which a stunt calls for the hero to drop off a 22.7-m tall building, What is the angular acceleration of the drum
If a nearsighted person has a far point df that is 3.50m from the eye, what is the focal length f1 of the contact lenses
The power capacity for all nuclear power plants in the United States is 1.01E5 MW. In one hour, what is the total change in the mass of the nuclear fuel
Your eye (diameter 2.5 cm) is able to focus the image of a tree on your retina. What is the size of the image of the tree on your retina
A disk-shaped merry-go-round of radius 2.63 m and mass 155 kg rotates freely with an angular speed of 0.763 rev/s, Calculate the initial and final kinetic energies for this system.
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