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Q. A potter's wheel having a radius 0.55 m and a moment of inertia 14.8 kg•m2 is rotating freely at 52 rev/min. The potter can stop the wheel in 5.0 s by pressing a wet rag against the rim and exerting a radically inward force of 67.00N. Determine the effective coefficient of kinetic friction between the wheel and the wet rag.
A force of 315 N is applied horizontally to a wooden crate in order to displac eit 35.0 m accorss a level surface at a constant velocity. As a result of this work the crate's internal energy is increased by an amount equal to 14 percent of the cra..
Find the Youngs modulus for the muscle tissue
What amplitude of simple harmonic motion of the spring-blocks system puts the smaller block on the verge of slipping over the larger block.
Find out the magnitude and direction of the initial velocity.
A boy is attempting to swim directly across a river; he is able to swim at a speed of 0.421 m/s relative to the water. The river is 2.48 m wide and the boy ends up at 4.77 m downstream from his starting point.
The coefficient of volume expansion of coffee is the same as that of water. How much coffee (in cubic meters) has spilled out of the beaker.
What is an acceleration of the particle at the instant
Find out a formula for a electrical flux on a sphere for a point charge at the center of the sphere with a hole in the sphere.
How many 104W lightbulbs can you use in a 113 V circuit without tripping a 17 A circuit breaker? (The bulbs are connected in parallel that means that the potential difference across each lightbulb is 113V.)
How long does it take for the last car to come to rest. When catching a baseball, a catcher's glove moves by 11 cm along the line of motion of the ball. If the baseball exerts a force of 403 N on the glove, how much work is done by the ball.
In a common but dangerous prank, a chair is pulled away as a person is moving downward to sit on it, causing the victim to land hard on the floor.
A railroad boxcar that has " due east" momentum of 15,000 kgm/sec collides with and couples with a similar boxcar that has "due west" momentum of 20,000kgm/sec. After collision, the combination has ( ) kgm/sec total of momentum.
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