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A 144-g baseball mobing 28.0 m/s strikes a stationary 5.25 kg brick resting on small rollers so it moves without significant friction. After hitting the brick, the baseball bounces straight back, and the brick moves forward at 1.10 m/s.
A). What is the baseball's speed after the collision?
B.) Find the total kinetic energy before and after the collision.
A railroad car of mass 2.44 104 kg, is moving with a speed of 3.96 m/s. It collides and couples with three other coupled railroad cars, What is the speed of the four cars after the collision
A 20.0kg light signal hangs from the end of a 7.0m uniform density pole of mass 12.0kg. The pole is free to swivel from the hinge at point A, What is the reaction force (magnitude and direction) at the hinge
A plank 2.00 cm thick and 17.5 cm wide is firmly attached to the railing of a ship by clamps so that the rest of the board extends 2.00 m horizontally over the sea below. find the shear modulus of the wood
A particle attached to a spring with k 50 N/m is undergoing simple harmonic motion, and its position is described by the equation x (5.7 m)cos(7.5t), with t measured in seconds.
Your telescope has a 700mm-focal-length objective and a 26-mm-focal-length eyepeice, You position film so that it caputures the image produced by the objective lens. What is the diameter of that image
Sketch a force diagram for the desk.
what is the final equilibrium temperature of the system?
Suppose the second distance d were traveled in the opposite direction; you forgot something and had to return home at the same constant speed as found in part (a). What is the average velocity for this trip.
A submarine is 309 m horizontally out from the shore and 149 m beneath the surface of the water. find the height of the building
The venturi flowmeter shown in the figure is used to measure the flow rate of water in a solar collector system. The flowmeter is inserted in a pipe with diameter 1.9 {rm cm}; at the venturi of flowmeter the diameter is reduced to 0.64 {rm cm}. Th..
Nichrome is a nickel chromium allot commonly used in heating elements. suppose you have a coil of nichrome wire that is 25.0 m long, what is the resistance of the Nichrome wire
What is a density of the block
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