Cars A (4 kg) and B (2 kg) are initially at rest and tied with a compressed spring between them. The tie is burned; A moves away at 2 m s⁻¹.
Physics · Center of maas , Momentum and Collision · momentum and conservation of momentum
Cars A (4 kg) and B (2 kg) are initially at rest and tied with a compressed spring between them. The tie is burned; A moves away at 2 m s⁻¹.
Sub-question 1
Speed of car B is (m s⁻¹):
Sub-question 2
Energy initially stored in the spring is (J):