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In a hydraulic lift the radii of the pistons are 1.25 cm and10.0 cm. A car weighing 16.5 KN is to be lifted by the force of the larger piston.
a) what force must be applied to the small piston?
b) when the small piston is pushed 30.0cm, how far is the carlifted?
c) find the mechanical advantage of the lift which is the ratio ofthe large force to the small force?
While warming up for a match, a tennis player stands at the baseline of the court, 11.9 m away from the net, how far below the top of the net does it hit
An ice skater has by herself a moment of inertia of 5.5 kg m^2 with her arms out, with her arms in it is 5.0 kg m^2. how fast will she be spinning if she brings her arms in a distance of .7 m
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A spring is mounted from the ceiling. As a mass is attached, the spring stretches 1.04 m. What will be the frequency of the resulting oscillation
A 65 kg skateboarder comes over the top of a hill at 5.0 m/s and reaches 10 m/s at the bottom. Find the total work done on the skateboarder
a man stands on a platform that is rotating without friction with an angular speed of 1.2 revs his arms are
A pressure difference of 6.00 x 10^4 Pa is required to maintain a volume flow rate of 0.800 m^3/s for a viscous fluid flowing through a section of cylindrical pipe that has radius 0.180m
Consider a car which weighs about 2000 kg and is parked at an elevation of 30 m above the bottom of a hill with a constant slope equal to -.5. what is a horizontal component of the force on the car
One of James BOnd's adversaries is standing on a frozen lake; thereis no friction between his feet and the ice. what is the magnitude of his horizontal recoil velocity
A 3.20 kg block of wood sits on a table. A 2.50 g bullet, fired horizontally at a speed of 600 m/s, goes completely through the block, emerging at the speed of 180m/s. What is the speed of the block immediately after the bullet exits.
A point charge Q is located a the point (0,0), a second point charge with charge 2Q is located at the point (1,0); a third pointcharge with charge 3Q is located at the point (0,2).
A 23.0-N block rests on a horizontal surface. The coefficients of static and kinetic friction between the surface, What is the force of friction acting on the block if T = 20.56 N
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