donlee101 donlee101

29-09-2022
Physics

contestada

In a standard lab, students drop blocks on moving carts. A cart with a mass of 3.4 kg is moving with a velocity of 23.9 m/s. A block with a mass of 2 kg is dropped onto the moving cart. What is the velocity of the cart after the block is dropped?

A. 3.4 m/s
B. 5.4 m/s
C.15.1 m/s
D. 23.9 m/s

Explanation please

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