A dart is used to hit a cart. Use the following information to predict the mass of the cart (in grams). Assume the velocity of the dart before it hits the cart is 76 m/s Assume the velocity of the dart after it hits the cart is 7.38 m/s Assume that the cart and dart system is isolated. Dart mass = 28.1 g m1v1+m2v2=(m1+m2)v'

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