A ball of mass m = 1.55 kg is released from a height of h = 2.8 m into a tank of water. At a time of t = 1.08 s after hitting the surface of the water, the ball's velocity has decreased by 50%. 1) What is the magnitude of the average force the ball experiences, in newtons, during the time t?

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.