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Ball b is hanging from an inextensible cord. an identical ball a is released from rest when it is just touching the cord and drops through the vertical distance h a 5 8 in. before striking ball b. assuming e 5 0.9 and no friction, determine the resulting maximum vertical displacement h b of the ball b

What is the acceleration of a spaceship that is initially at rest and then speeds up to 220 m/s in 20 seconds

What determines the amount of inertia an object has