# Physics

A body of mass 2kg moving with velocity of 5m/s collides with a stationary body of mas 500g. if the two bodies move together after impact. calcalate the magnitude of their common velocity

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1. Given;
M1=2kg
U1=5m/s
M2=500g=0.5kg
U2=0m/s
V=V1+V2m/s
According to conservation of momentem,
M1U1+M2U2=M1V+M2V
M1U1+M2U2=V(M1+M2)
2*5+0.5*0=V(2+0.5)
10=V(2.5)
V=10/2.5
=4m/s
ie;V=4m/s

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2. correct.also if were moving in opposite direction before collision.

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4. Yes

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5. Am a science student

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6. Yes

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