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A 0.700kilogram ball is on the end of a rope that is 1.30 meter in length. The rope and ball are attached to a pole and the entire apparatus, including the pole, rotates about the pole's symmetry axis. The rope creates an angle of 70o with respect to the vertical. Evaluate what is the tangential speed of the ball?
A fighter jet landing on an aircraft is made to brake very quickly by means of cable that the plane connects to via a hook. Assume that a 21,000 lb jet touches down at 170 mph and its speed is reduced to zero in 240 ft Assuming constant deceler..
A golfer drives a 0.046kg golf ball from an elevated tee, giving the ball an initial horizontal velocity of 45 m/s. (a) what is the magnitude of the average force exerted by the club on the ball if the contact time for the golf club on the ball du..
to take off from the ground an airplane must reach a sufficiently high speed. the velocity required for the takeoff the
The maximum wavelength for which an electromagnetic wave can eject electrons from a platinum surface is 196 nm. what is the maximum speed of the ejected electrons
A scuba diver has her lungsfilled to half capacity (2 L) when she is 12 m below thesurface. what will be the volume of her lungs (in liters) at the surface
Illustrate what average power must the winch supply in order to accelerate a 174-kg ultra-light glider from rest to 23.0 m/s over a horizontal distance of 50.0 m? Assume that friction and air resistance are negligible, and that the tension in the ..
Does the rod(with the attached ball of clay) rotate?
One of Isaac Newton's insights was that the earth's gravity extended well beyond its surface even as far as the moon, How did he know that there was any force at all acting on the moon
when the heat flow through until area of a sheet of insulating material of thickness 3.0mm is 8.0kwm-2 the temperature
a squirrel is resting in a tall tree when it slips from a branch that is 48 m above the ground. it is a very agile
consider the electric circuit shown here consisting of a 12.0-v battery and three capacitors connected partly in series
Two banked curves have the same radius. Curve A is banked at an angle of 11°, and curve B is banked at an angle of 19°. At what speed can this car travel around curve B without relying on friction
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