Asked by omphile
a bullet of mass 40g strikes a stationary wooden block of mass 6kg horizontally at 500m per second.the bullet goes through the block,and emerges from the other side at 200m per second.a)Calculate the velosity of the block once the bullet emerges from it?
Answers
Answered by
nandipa mthetho
2m/second in the original direction of the bullet
Answered by
Thuthukani Magwaza
Take the direction of bullet to a block as postive
M1vi1+m2vi2=m1vf1+m2vf2
(0,04)(500)+(6)(0)=(0.04)(200)+(6)(vf2)
20=8+6(vf2)
20-8=6(vf2)
6(vf2)=12
.:vf2=2m.s
M1vi1+m2vi2=m1vf1+m2vf2
(0,04)(500)+(6)(0)=(0.04)(200)+(6)(vf2)
20=8+6(vf2)
20-8=6(vf2)
6(vf2)=12
.:vf2=2m.s
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