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Starting from rest, a basketball rolls from the top of a hillto the bottom, reacing a translational speed of 3.54 m/s. Ignore frictional losses.
(a) What is the height of the hill?
_____m
(b) Released from the rest at the same height, a can of frozenjuice rolls to the bottom of the same hill. What is the translational speed of the frozen juice can when it reaches the bottom?
____m/s
A stunt driver wants to make his car jump over 8 cars parked side by side below a horizontal ramp as seen in the figure below. With what minimum speed must he drive off the horizontal ramp to just barely make it across
A 15.00 block is attached to a very light horizontal spring of force constant 450 and is resting on a smooth horizontal table. Suddenly it is struck by a 3 stone travelling horizontally at 8 to the right, whereupon the stone rebounds at 2.00 horizont..
A cubic crystal with interatomic spacing of 0.24 nm is used to select gamma rays of energy 100 keV from a radioactive source containing a continuum of energies. at what angle do the 100 keV gamma rays appear
A car travels along a straight line at a constant speed of 41.5 mi/h for a distance d and then another distance d in the same direction at another constant speed. What is the average speed for this new trip
You throw a 25.0 rock into the air from ground level and observe that, when it is 12.0 high, it is traveling upward at 17.0, Use the work-energy principle to find the rock's speed just as it left the ground
A 25-g rifle bullet travelling 280-m/s buries itself in a 3.6-kg pendulum hanging on a 2.8m long string, which makes the pendulum swing upward in an arc. Find out the vertical and horizontal components of pendulum's displacement.
Communications satellites are placed in a circular orbit where they stay directly over a fixed point on the equator as the earth rotates. What is the apparent weight of a 2000 kg satellite in a geosynchronous orbit
Consider an RLC circuit with driving emf amplitude %u0395m = 12 V, Find the amplitude of the voltage across the inductor at resonance
a 1200-kg car and a 2270-kg pickup truck approach a curve on the expressway that has a radius of 274m.at what angle
the amount of charge that passes through the filament of a certain lightbulb in 2.00 s is 1.67c.a find the current in
a golf ball is hit with an initial angle of 38.5deg with respect to the horizontal and an initial velocity of 81.5 mph.
a wire 1.80 m long carries a current of 13.0 a and makes an angle of 35.0 degrees with a uniform magnetic field of
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