A cart of mass m, moving to the right with velocity v1 undergoes a perfectly elastic collision with a cart of mass 2m, moving in the opposite direction with velocity v2. After the collision the cart of mass m is moving with velocity v1’, while the cart of mass 2m is at rest. (a) Draw a before and after sketch of the collision. Clearly label the carts to indicate which has mass m and which has mass 2m, and include and label the velocity vectors for the carts. (b) (i) Is momentum conserved in this collision?

A cart of mass m, moving to the right with velocity v1 undergoes a perfectly elastic collision with a cart of mass 2m, moving in the opposite direction with velocity v2. After the collision the cart of mass m is moving with velocity v1’, while the cart of mass 2m is at rest. (a) Draw a before and after sketch of the collision. Clearly label the carts to indicate which has mass m and which has mass 2m, and include and label the velocity vectors for the carts. (b) (i) Is momentum conserved in this collision?

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Question

A cart of mass m, moving to the right with velocity v₁ undergoes a perfectly elastic collision with a cart of mass 2m, moving in the opposite direction with velocity v₂. After the collision the cart of mass m is moving with velocity v₁’, while the cart of mass 2m is at rest.

(a) Draw a before and after sketch of the collision. Clearly label the carts to indicate which has mass m and which has mass 2m, and include and label the velocity vectors for the carts.

(b) (i) Is momentum conserved in this collision?

(ii) Is kinetic energy conserved in this collision?

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