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A solid cylinder is rolling on a surface. What fraction of its total kinetic energy is in the form of rotational kinetic energy about the center of mass?
A gun shoots bullets that leave the muzzle with a speed of 336 m/s. If a bullet is to hit a target 136 m away at the level of the muzzle, the gun has to be aimed at a point above the target. How far above the target is this point.
A swimmer heads directly across a river, swimming at 1.60 m/s relative to the water. She arrives at a point 58.0 m downstream from the point directly across river, 63 m wide. What is the speed of the river current.
The pilot of an airplane executes a constant-speed loop-the-loop maneuver in a vertical circle, What is his apparent weight at the highest point of the circle
Consult Interactive Solution 7.10 for a review of problem-solving skills that are involved in this problem. A stream of water strikes a stationary turbine blade horizontally, as the drawing illustrates.
A nuclear power plant has an electrical power output of 900 MW and operates with an efficiency of 32%. what is the rise in temperature of the flowing water
The oxygen molecule O2 has a total mass of 5.30 x 10-26 kilogram and a rotational inertia of 1.94 x 10-46 kg·m2 about an axis through the center of the line joining the atoms and perpendicular to that line. Find the molecule angular speed about th..
When a guitar string is sounded along with a 436 Hz tuning fork, a beat frequency of 5Hz is heard. When the same string is sounded along with a 434 Hz tuning fork, beat frequency is 7.00 Hz. What is the frequency of the string.
Assume a distant star functions as a blackbody at a temperature of 12,000 K and produces light at a rate of 7.72 x 1030 W. What is the radius of the star
A violin string 30.00 cm long and fixed at both ends oscillates in its n = 1 mode. The speed of waves on the string is 280 m/s, What is the wavelength of the emitted sound wave
An aluminum rod is 24.0 cm long at 20°C and has a mass of 350 g. If 13,500 J of energy is added to the rod by heat, what is the change in length of the rod
An amusement park ride called the Rotor consists of a room in theshape of a vertical cylinder (1.98 m inradius) which, once the riders are inside, begins to rotate,forcing them to the wall. When the room reaches a speed of onerotation every 1.56 s..
A motion sensor and a force sensor record themotion of a cart along a track, as shown above. The cart is given apush so that it moves toward the force sensor and then collideswith it. Determine the mass of the cart.
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