A 1250 kg car is stopped at atraffic light .a3550kg truck moving at 8.33m/s hits the from behind.if bumbers lock how fast will the two vehicle move?
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Answer:
According to conservation of momentum
3550×8.33= (3550+1250)× v
v= 6.16 m/s
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Answer: 3550)(8.33 = 1250+3550)(v)
31346.5 = 4800(v)
v=31346.5 / 4800
v=6.53 m/s
Explanation: The conservation of momentum states that initial momentum is equal to final momentum, which means the momentum of the truck will be equal to the momentum of two vehicle thats locked. And because two side of the equation are equal as you can see, so we can just calculate the v which stands for velocity and that's velocity equal to 6.53 m/s.
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