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A cord is wrapped around the rim of a wheel r in radius, and a steady pull of F is exerted on the cord. The wheel is mounted on frictionless bearings on a horizontal shaft during its center. The moment of inertia of the wheel regarding this shaft is I.
Calculate the angular acceleration of the wheel.
A person with a mass of 52 kg runs with a speed of 6.8 m/s jumps onto the outer rim of a merry-go-round. What is the mass (in kg) of the merry-go-round
at the science olympiad competition a group of middle school students uses a trebuchet that launches a tennis ball from
A rookie quarterback throws a football with an initial upward velocity component of 15.33 and a horizontal velocity component of 20.4. Overlook air resistance.
A baseball is thrown from the roof of 23.1 -tall building with an initial velocity of magnitude 11.5 and directed at an angle of 52.0 above the horizontal. What is the speed of the ball just before it strikes the ground? Use energy methods and ignore..
The mass of the barge is 9000 kg, and its acceleration is 0.15 m/s2 down the canal. Illustrate what are the magnitude and the direction of the force on the barge from the water?
a lead wire of cross-sectional area 0.980 mm2 is at a temperature of 2.00 k and carries a current of 0.490 a. a find
a computer monitor accelerates electrons and directs them to the screen in order to create an image.if the accelerating
A small object of mass 3.30 g and charge-24 µC "floats" in a uniformelectric field. What is the magnitude and direction of the electric field
Some bacteria are propelled by motors that spin hair-like flagella.A typical bacterial motor turning at a constant angular velocityhas a radius of 1.9x10-8m, How long does it take the motor to make one revolution
Suppose a diode consists of a cylindrical cathode with a radius of 6.200×10?2cm , mounted coaxially within a cylindrical anode with a radius of 0.5580cm, Find its speed vfinal when it strikes the anode
a solid sphere is released from rest on an incline. when it reaches the bottom what fraction of its total kinetic
Stan raises a 1200-N piano a distance of 5.00 m using a set ofpulleys. Stan pulls in 20.0 m of rope. What is the mechanical advantage
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