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You push a 1.5 kg block against ahorizontal spring, compressing the spring by 18 cm. Then you release the block, and the springsends it sliding across a tabletop. It stops 75 cm from where you released it. The spring constantis 200 N/m. What is the block-table coefficient of kinetic friction?
Consider a line that is 1.4 m long. A moving object is somewhere along this line, but its position is not known. Find the minimum uncertainty in the object's velocity
A 60-kg object on a frictionless horizontal surface oscillating on a spring that has a force constant equal to 1.5 kN/m has a total mechanical energy of 0.70 J. What is the amplitude of the motion
Five grams of nitorgen gas at an initial pressure of3.0atm and at a 20 degrees celcius undergo an iobaric expansionuntil the volume has tribled. What is the gas volume after the expansion?
A dog with a mass of 20 kg is sitting on a board with a mass of 5 kg. The board is on ice and is free to slide without friction. What is the resultant velocity of the board
A 0.150kg glider is moving to the right on a frictionless, horizontal air track with a speed of 0.710m/s, Find the magnitude of the final velocity of the 0.150 kg glider
answer the following questionsa why does a paramagnetic sample display greater magnetisation for the same magnetising
The radius of the tires on your car is 0.33m. You drive 1400 m in a straight line. What is the angular displacement of a point on the outer rim of a tire, around the center of tire, during this trip? Suppose the tire rotates in the counter clockwise ..
Electrons are accelerated through a voltage difference of 145 kV inside a high voltage accelerator tube. What is the final kinetic energy of the electrons
A projectile is fired straight upward from Earth's surface with a speed that is 0.816 times the escape speed. what is the highest altitude reached measured from the surface of the Earth
A 4mm diameter circular coil of 25 turns and total resistance 0.001Ω lies in the x-y plane at a distance of 3m from a long straight current-carrying wire along the x-axis.
a piece of cheese with a mass of 1.21 kg is placed on a vertical spring of negligible mass and a force constant k 2200
While rolling marbles on a horizontal window sill, a youngster accidentally shoots one at 3.0 m/s out the open window. He sees it land in a flower pot on a neighbor's fire escape 3.0 s later. How far beneath the sill is the pot?
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