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A hoop and a disk, both of 0.48- m radius and 3.0- kg mass, are released from the top of an inclined plane 3.3 m high and 8.3 m long. What is the speed of each when it reaches the bottom? Assume that they both roll without slipping.
What is the speed of the hoop?
What is the speed of the disk?
A parallel-plate air capacitor of area A = 20.9 cm2 and plate separation of d = 2.50 mm is charged by a battery to a voltage of 63.0 V, What is the charge on the capacitor
A transformer consisting of two coils wrapped around an iron core is connected to a generator and a resistor, What is the peak emf of the generator?
About the axis of the rod.ωA ball of mass m is attached by two strings to a vertical rod. The entire system rotates at constant angular velocity.
Two blocks are connected by a very light string passing over a massless and frictionless pulley, Find the total work done on 20.0-N block if ?s=0.500 and ?k=0.325 between the table and the 20.0-N block
The infamous chicken is dashing toward home plate with a speed of 5.80 while he decides to hit the dirt. The chicken slides for 1.1, just reaching the plate as he stops (safe, of course).
A bicycle rider has a speed of 19.0 m/s at a height of 55.0 m above sea level when he begins coasting down hill. what is the rider's total mechanical energy when he coasts to a height of 25.0 m above sea level
A 1.0 ball hangs from the ceiling of a truck by a 1.0--long string. The back of truck, where you are riding with the ball, has no windows and has been completely soundproofed. The truck travels along an exceedingly smooth test track, and you feel no ..
An aluminum cylinder is suspended in an unknown fluid by a spring scale. Outside the fluid, the object weighs 20N. In the fluid,
Your cell phone typically consumes about 440 mW of power when you text a friend. what is the current flowing through the cell-phone circuitry under these circumstances
A bar magnet is oriented with its magnetic dipole moment at 39.5° to the direction of a 0.0689-T magnetic field, causing a torque of 0.00351 N·m to act on it
A child and sled with a combined mass of 49.20 kg slide down a frictionless hill that is 7.38 m high. If the sled starts from rest, what is its speed at the bottom of hill.
What tension in Newtons should a 50cm length of string support in order to whirl an attached 2000g stone in a circular path at 5 m/s.
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