A sports car and a moving van move at the same speed when they crash into a cement wall and stop equally quickly. The vehicle to have the greater force of impact will be
1) the sports car,
2) the van,
3) neither, for they experience equal forces of impact
because
4) they are traveling at the same speed.
5) the van's momentum is much greater.
6) the sport car has a greater change in velocity upon impact.
7) they both have equal momentum.
Answer: 2, 5
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