James and Sarah stand on a stationary cart with frictionless wheels. The total m

Question

James and Sarah stand on a stationary cart with frictionless wheels. The total mass of the cart and riders is 130 . At the same instant, James throws a 1.0 ball to Sarah at 4.5 , while Sarah throws a 0.50 ball to James at 1.0 . James’s throw is to the right and Sarah’s is to the left.

While the two balls are in the air, what is the speed of the cart and its riders?

While the two balls are in the air, what is the direction of the cart and its riders?

After the balls are caught, what is the speed of the cart and riders?

After the balls are caught, what are the direction of the cart and riders?

Explanation / Answer

Hehe This my friend is a trick question, the people who wrote this want you to understand the concepts behind impulse and momentum Before you go trying a bunch of equations... Let me tell you this THE ENERGY IS CONSERVED Sarah is throwing to the left and James is throwing to the right... Due to their directions the cart does not move

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