a cart of mass 350 grams moving at speed of 4.5 m/s hits an end-stop and rebounds at a speed of 3.2 m/s, what is the change in momentum, in units of kg.m/s?   A cart has the rubber bumper attached to the force sensor, and it moves and collides with an end-stop. In the collision, it suffers a change in momentum = 4.05 kg.m/s, and the time during which the collision takes place is 0.182 seconds. Calculate the average force applied on the cart by the bumper, in newtons

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