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A bowling ball (solid sphere mass=7.27 and radius=12.7cm) is rolling on level ground at a constant angular speed of 55rad/s. what is the total kinetic energy of the ball?
A hiker walks 3.50 km at an angle of 45.0 degrees north of west. After that the hiker walks 1.5 km south. What is the magnitude and direction of hiker's totally displacement.
An ice cube slides from rest without friction down a long inclined ramp that makes an angle of 36.1 o with the horizontal. What is the speed of the cube
When a quarterback throws a quick pass, he pushes on the ball with constant horizontal force for 0.10 sec, while his hand moves forward 0.80 m. find the work done on the ball by the quarter back
You are designing a delivery ramp for crates containing exercise equipment. Calculate the maximum force constant of the spring that can be used in order to meet the design criteria
What is the force of friction and its coefficient of friction if a 5 kg box slides on a horizontal plane when its speed decreases 1.5ms-1 in a second?
A 14.0-m uniform ladder weighing 510 N rests against a frictionless wall. The ladder makes a 63deg angle with the horizontal. what is the coeffecient of static friction between ladder and ground
How many lines per centimeter must a grating have if there is to be nosecond-orderspectrum for any visible wavelength (400–750 nm)? (State the maximum number of lines per centimeter.)
A 6 m board of mass 7 kg is hinged at one end, with a 60 kg block nesting on the board 245 cm from the hings. A force ~F is applied vertically at the other end to lift of the board. Find the force exerted by the hinge
question1a solid piece of copper and a solid piece of aluminium have the same mass. if the density of copper is 8.9
Three moles of an ideal monatomic gas are at a temperature of 345 K. What is the final temperature of the gas
Derive the equation for the linear acceleration of a falling mass m suspended by a string from the rim of a uniform disk of mass M and radius R that is free to rotate without friction about its principal axis. 2. If the hanging mass is doubled, what ..
A 1.50*10^3-kg car starts from rest and accelerates uniformly to 19.1 m/s in 12.0 s. Find the average power developed by the engine
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