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An object on Earth's surface has a mass of 18.7 kg. The object's weight is N.
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Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?
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What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?
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An object on Earth's surface has a mass of 18.7 kg. The object's weight is N....
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