H2P-542
Linear momentum
H2 Physics · JC 2 · Medium · Linear momentum
A 0.20 kg trolley moving at 1.5 m s⁻¹ to the right collides head-on and sticks to a 0.30 kg trolley moving at 0.50 m s⁻¹ to the left. What is the speed of the joined trolleys immediately after the collision?
- 0.30 m s⁻¹ to the right
- 0.30 m s⁻¹ to the left
- 0.50 m s⁻¹ to the right
- 0.70 m s⁻¹ to the right
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