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A car engine is initially rotating at 60 rad/s. It is then turned off and takes 5.00 s to come to a complete stop. What is the angular acceleration of the engine? Assume acceleration is constant.
A car moving at 10 m/s encounters a bump that has a circular cross-section with a radius of 30 m. What is the normal force exerted by the seat of the car on a 60-kg passenger
A supertanker filled with oil has a total mass of 11.7·108 kg. If the dimensions of the ship are those of a rectangular box 209 m long, 81.7 m wide
A coin slides over a frictionless plane and across an xy coordinate system from the origin to a point with xy coordinates, How much work is done by the force on the coin during the displacement
A solenoid with 1000 turns has a cross-sectional area of 7.0cm2 and a length of 25cm. how much energy is stored in the magnetic field of the solenoid
A bomb at rest at the origin of an xy-coordinate system explodes into three pieces. Just after the explosion, one piece, of mass m, what is the magnitude of the velocity of the third piece
A box weighs 190 N on earth., What is its mass (kg) on Jupiter and What is its weight (N) on Jupiter where free-fall acceleration is 25.9 m/s^2
A 20.0-kg box rests on a horizontal surface. The coefficient of static and kinetic friction between the box and the surface are 0.30 and 0.10 respectively
An RC Flasher circuit uses a neon lamp that becomes highly conducting when the voltage applied to it reaches Vc = 90.0 V. What "RC-time-constant" should the circuit have?
An electron that has an energy of approximately 2.0e+01 eV moves between rigid walls 1.8 nm apart. Find the precise energy of the electron
A car travelling at 16 m/s runs out of gas while travelling up a 21 degree slope. How far up the hill would it coast before starting to roll back down.
A train is moving parallel and adjacent to a highway with a constant speed of 23 m/s. What is the speed of the car just as it passes the train
Two charged objects experience a mutual repulsive force of 0.86N. If the charge of one of the objects is reduced by half and the distance separating the objects istripled, what is the new force? (Enter the magnitude of the force.)
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