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A billiard ball traveling at 3.00 m/s collides perfectly elastically with an identical billiard ball initially at rest on the level table. The initially moving billiard ball deflects 30.0o from its original direction. What is the speed of the initially stationary billiard ball after the collision?
A proton accelerates from rest in a uniform electric field of 644 N/C. At some later time, its speed is 1.14 106 m/s. Find the magnitude of the acceleration of the proton
An archer shoots an arrow toward a 300-g target that is sliding in her direction at a speed of 2.50 m/s on a smooth, slippery surface. What is the speed of the arrow after passing through the target
A 2.00 L container is filled with an ideal gas at a temperature of 18.0°C and 1 atm pressure. The container is then heated until the pressure is 3 atm. The volume is held constant. What is the change in the temperature?
A .363kg mass slides on a frictionless floor with a speed of 1.24m/s. The mass strikes and compresses a spring with a force constantof 44.5 N/m. how long does it take for the spring to stop the mass
a block of mass 0.80 kg is suspended by a string which is wrapped so that it is at a radius of 0.054 m from the center
A small, 10.0 g insect stand at one end of a thin uniform metal rod which is initially at rest on a frictionless horizontal table. What is the resulting angular speed of the rod
Two forces, FA and FB, act on an object such that the object accelerates in the y-direction. FA is 150 N and is 55.0o from the positive x-axis. What third force (magnitude and direction) is necessary if you wish to keep the object from accelerating
An ideal parallel-plate capacitor consists of a set of two parallel plates of area A separated by a very small distance d. how much electrical energy is stored in the capacitor
A particle of rest mass M, travelling at speed v in the x-direction, decays into two photons, moving in the positive and negative x-direction relative to the original particle. What are their energies
The electron gun in a TV picture tube accelerates electrons between two parallel plates 1.5cm apart with a 27 kV potential difference between them.
Unpolarized light of intensity I0 passes through six successive Polaroid sheets each of whose axis makes a 45? angle with the previous one
Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 23.0 m/s at an angle 28.0 degrees; find What is the distance between the two girls
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