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Gre4nikov [31]
3 years ago
6

Please Help test is worth a lot !!!

Physics
1 answer:
swat323 years ago
3 0

Answer:

3.667m/s

Explanation:

Momentum = mass * speed.

Momentum before (A+B) = momentum after (A+B)

m_{a}u_{a}+m_{b}u_{b}=m_{a}v_{a}+m_{b}v_{b}

100*4 + 150*0 = 100(-1.5) + 150v_{b}

400 = -150 + 150v_{b}

150v_{b} = 550

v_{b}=3.667m/s

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