Asked by Anonymous

Reckless Rick driving along the road at 90 km/hr bumps into Hapless Harry directly in fornt of him who is driving at 88 km/hr. What is the speed of the collision?

13 years ago

Answered by Elena

m1•v1+m1•v2=(m1+m2)•v

13 years ago

Answered by Bob

7920

12 years ago

Answered by bob

20km

11 years ago

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