Problem the speed of a bullet can be measured by firing it, Ask an Expert

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Problem: The speed of a bullet can be measured by firing it at a wooden cart initially at rest and measuring the speed of the cart with the bullet embedded in it. A 12-g bullet fired at a 4.5 -kg cart. After the collision, the cart rolls at 1.5 m/s.

Part A: What is the bullet's speed before it strikes the cart?

I need help to determine the bullet's speed before it strikes the cart.

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Category:- Physics
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