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Determine how many hours are required for the earth to rotate through 1radian in 1 second of time through how many seconds of arc does the earth rotate?
A mass m1 = 5.4 kg rests on a frictionless table and connected by a massless string to another mass m2 = 4 kg, How much work is done by the force F on the two block system
a cylindrical capacitor has two co-axial cylinders of length 15 cm and radii 1.5 cm and 1.4 cm. the outer cylinder is
a toy balloon is filled with helium gas he at 1atm at 18 degrees c. if the volume of the balloon is 0.023m3 how many
A diver can change his rotational inertia by drawing his arms andlegs close to his body in the tuck position. After he leaves thediving board in the straight position (with some unknown angularvelocity), he pulls himself into a ball as closely as ..
The bullet passes right through and emerges on the other side with a speed of 100 m/s, and the saxophone is given a speed of 4.8 m/s.
A 45.4 kg girl is standing on a 144 kg plank. The plank, at first at rest, is free to slide on a frozen lake, which is a flat, frictionless surface. The girl begins to walk along the plank at a constant velocity of 1.60 m/s relative to the plank. Wha..
Determine the coefficient of kinetic friction between the crate and surface.
a 3.50 kg penguin runs onto a huge sheet of frictionless arctic ice. at t 0 it is at x 0 and y 0 with an initial
A pool ball istraveling at 2.0 m/s towards an identical pool ball, which isinitially at rest. After thecollision, the first ball moves with a speed of 1m/s at an angle of10o with respect to thepositive x - axis. Find the velocity of the second cuebal..
A piano tuner plays an out of tune A note on his piano and then strikes his 440 Hz tuning fork. What was the frequency of the note before he loosened the string
A light ray is directed at the inside of a highly polished silver hemispherical bowl and is incident parallel to the symmetry axis of the bowl. in what direction will it emerge from the bowl
A mass m1 = 1 kg rests on top of a mass m2 = 5 kg which is attached to a spring (k = 50 N/m), Determine the maximum amplitude of the motion such that the top mass does not slip
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