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A meter stick is rotated about the end labelled 0.00 cm, therefore that the other end of the stick moves during an arc length of 8.66cm. Through what arc length s does the 25.0-cm mark on the stick move?
How much work is done by the Moon's gravitational field as a 1065 kg meteor comes in from outer space and impacts on the Moon's surface
A student on a piano stool rotates freely with anangular speed of 3.16 rev/s. The student holds a 1.50 kg mass ineach outstretched arm, 0.794 m from the axis of rotation. Calculate the final kinetic energy of the system
While standing near a railroad crossing, you hear a train horn. The frequency emitted by the horn is 350Hz. What is the frequency you hear after the train has passed
Two identical pucks are on an air table. Puck A has an initial velocity of 2.0 m/s in the +x-direction. What is the speed and direction of puck B after the collision
A bare helium nucleus has two positive charges and a mass of 6.64 10-27 kg. What voltage would be needed to obtain this energy
A block is released from the top of a frictionless incline plane as pictured above. calculate how fast it is moving at the bottom using Conservation of Energy
Near the surface of the Earth, an ideal spring with spring constant k = 50 N/m is on a frictionless horizontal surface at the base of a frictionless inclined plane, what is the angle µ of the inclined plane relative to the horizontal
A gymnast is bouncing on a trampoline. On the upward part ofthe motion, the mat of the trampoline pushes on the gymnast with anonconservative force over a distance of 0.300m
Starting form rest, a 5.00 kilogram block slides 2.50 meter down an incline of 30.0o. The coefficient of kinetic friction between the incline and the block is 0.436. Calculate the work done on the block by the normal force
What minimum horsepower must a motor have to be able to drag a 350 kilogram block up a 15o ramp at a speed of 1.50 m/s if the coefficient of kinetic friction is 0.25
An electron starts from rest 72.5 cm from a fixed point charge with Q = -0.200 µC. How fast will the electron be moving when it is very far away
A 12 kg piece of zinc at 65C is placed in a container of water. The water had a mass of 20 kg and a temperature of 12C before the zinc was added. What is the final temperature of water and zinc
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