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A car initially traveling at 24.3 m/s undergoes a constant negative acceleration of magnitude 1.40 m/s2 after its brakes are applied.
(a) How many revolutions does each tire make before the car comes to a stop, assuming the car does not skid and the tires have radii of 0.330 m?
______ rev
(b) What is the angular speed of the wheels when the car has traveled half the total distance?
______ rad/s
An object acted on by three forces moves with constant velocity. One force acting on the object is in the positive x direction, Find the direction of the third force acting on the object
At a given instant an 55 mH inductor stored an energy of 73 µJ. What is the current in the inductor at this instant
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A 1500 -kg automobile travels at a speed of 75 -km/h along a straight concrete highway. Faced with an emergency situation, the driver jams on the brakes, and the car skids to a stop.
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A copper ball of mass 150 g is removed from Bunsen burner flame and dropped into 500g of water at -20 %u030AC. what was the temperature of the copper when it left the flame
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