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What minimum power must an engine deliver to a 1850-kg car to double its speed in 4.1 s if the car initially travels at 10.5 m/s?
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At equator, Earths radius is about 6370 km. A plane flies in low altitude at constant speed of v=226 m/s. Plane can produce average deceleration of a=18,/s^2 when landing. How long in seconds would it take the plane to c ...
Question: A textbook of mass 1.98kg rests on a frictionless, horizontal surface. A cord attached to the book passes over a pulley whose diameter is 0.160m , to a hanging book with mass 3.01kg . The system is released fro ...
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