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What do stationary objects not have?
When the velocity of an object changes, so does its…
A woman, with a mass of 65 kg, is travelling in a car at 20 m/s. If the car comes to a complete stop in 1 second, calculate the forces acting on the woman.
A tennis ball (with a mass of 60 g) is hit with a force of 150 N for 0.2 seconds. Calculate the change in momentum.