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A motor delivers 50 lb-ft torque at 2000 rpm to an attached gear reducer. The reducer and motor housings are connected together by six bolts located on a 12-in.-dia. circle, centered about the shaft. The reducer has a 4 : 1 ratio. Neglecting friction and weight, what average shearing force is carried by each bolt?
A 50.0-g object is attached to a horizontal spring, What is the velocity of the object when it is halfway to the equilibrium position if the surface is frictionless
A 0.14- kg block on a wooden table is given a sharp blow with a hammer. The block then slides across the table to a stop. How far does the block go
the planet jupiter has a mass 314 times larger than that of the earth 1.90 x 1027. its radius is 11.3 times larger than
A 3kg object moving in the positive x direction has a one-dimensional elastic collision with a 5kg object initially at rest. What was the initial speed of the 3kg object
What is the force of air resistance. how high was the jump.
Monochromatic light is incident on two slits with a spacing of .05 mm if the distance to the screen is 1.5 m, what is the wavelength of the light use
A golf ball, hit from the tee, travel 325 m in a direction 25 degrees south of the east axis. What are the east and north components of its displacement?
Two 1.7 kg masses are 2.0 m apart (center to center) on a frictionless table. Each has +1.0 µC of charge. What is the magnitude of the electric force on one of the masses
An ocean fishing boat is drifting just above a school of tuna on afoggy day. Without warning, an engine backfire occurs on anotherboat 1.0 km away. How much time elapses before the backfire isheard (a) by the fish, and (b) by the fishermen?
A bullet of mass 30 g collides completely inelastically with a ballistic pendulum of mass 2.5 kg. Calculate the velocity of the bullet right before it collides with the pendulum
At t=1.0 second, a 0.85 kilogram object is falling with a speed of 6.0 meter per second. At t=2.0 second, it has a kinetic energy of 25 Joule. Determine the kinetic energy of the object at t=1.0 second
A woman stands in a elevator that has a constant acelerationwhile the elevator travel upward a distance of 18.0 m. what is the mass of the woman
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