Homework Help: physical science

Posted by tina on Wednesday, January 2, 2013 at 6:30pm.

8. Which one has more momentum? Which has the greater impulse?
a. A 2000 kg car moving at 5 m/s
b. A 9 g bullet traveling at 450 m/s

physical science - Elena, Thursday, January 3, 2013 at 5:17am
p1=m1•v1 =2000•5=10000 km•m/s
p2=m2•v2=0.009•450=4.05 kg•m/s
p1> p2
Impulse F•Δt=m•Δv=linear momentum

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