Multiple Choice
An 800-kg car moving at 80 km/h collides head-on with a 1200-kg car moving at 40 km/h in the opposite direction. If they stick together, the wreckage now has an initial speed of
A) 8 km/h.
B) 40 km/h.
C) 56 km/h.
D) 60 km/h.
Correct Answer:

Verified
Correct Answer:
Verified
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