thebrandonleetr7105 thebrandonleetr7105 19-12-2022 Physics Answered 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?