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A 5.00-g bullet is shot through a1.10-kg wood block suspended on a string2.00 m long. The center of mass of the block rises a distance of0.45 cm. Find the speed of the bullet asit emerges from the block if its initial speed is 398 m/s.
Suppose that the bike rider in problem 15 pedaled up the hilland never came to a stop. in what system is energy conserved? from what form of energy did the bike gain mechanial energy?
A 4.6muC charge is at the center of a cube 6.5 cm on each side. What is the electric flux through one face of the cube
the shaft of a pump starts from rest and has an angularacceleration of 3.00 rad/s2 for 18.0s. find the angle through which the shaft has turned
A lump of clay of mass 0.30 kg is thrown straight at a brick wall with a speed of 22 m/s. What is the average force on the wall (in N) during this collision
A cube of mass m = 6.55 kg is placed on an inclined plane of mass M = 10.07 kg, which makes an angle ? = 42.20° with the horizontal. What is the normal force on the inclined plane
The dew point at a location 50 km 20° south of west of a recording station is 4°C higher than at the station. what is the local change in dew point at the station
The springs of a 1700-kg car compress 4.90mm when its 63.0-kg driver gets into the driver's seat. If the car goes over a bump
A 25 kg child at a playground runs with an initial speed of 2.5 m/s along a path tanget to the rim of a merry-go-round with a radius of 2.0 m and jumps on. Find the angular velocity of the child and merry-go-round
A 5.78 cm long rod in the shape of a rectangular solid has cross section dimensions 28.7 mm x 42.6 mm. What is the current in the block
He would like a prescription for contact lenses to serve the same purpose. What is the exact contact lens prescription, in diopters.
A Carnot engine uses reservoirs at temperatures of 27.0°C and 327°C. In one cycle, it uses 600 J of heat from the high temperature reservoir
An ideal gas is compressed at constant pressure to one-half its initial volume. a)If the pressure of the gas is 150kPa , and 770J of work is done on it, find the initial volume of the gas.
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