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Consider two carts,of masses m and 2m ,a...

Consider two carts,of masses m and 2m ,at rest on an air track If you push both the carts for 3s exerting equal force on each,the momentum of the light cart is :-

(1) four times the momentum of the heavy cart

(2) twice the momentum of the heavy cart

(3) equal to the momentum of the heavy cart

(4) one-half the momentum of the heavy cart

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