A-level Physics · Momentum
Momentum in collisions
Use conservation of momentum, with directions as signs, for a collision or a recoil.
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Question 1
Truck A of mass 26000 kg moves to the right at 3.1 m s⁻¹ and collides with truck B of mass 29500 kg, which is stationary. The two trucks stay coupled together. Take the right as positive. Calculate the speed of the trucks immediately after the collision. Give your answer to 3 significant figures.
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