Asked by Kayla
A rifle bullet of mass 60g leaves the muzzle of a rifle with a V=5.8*10^2m/s. If the rifle has a mass of 3.1 kg, with what V will it recoil?
I'm at a total loss here because I feel like I don't have enough information... I just need to know what formulas to use with the information that I have.
Thanks :)
I'm at a total loss here because I feel like I don't have enough information... I just need to know what formulas to use with the information that I have.
Thanks :)
Answers
Answered by
Kayla
Ok, I used m1V1 + m2V2=m1V'1 + m2V'2
to get .060kg(0) + 3.1kg(0) =
.060kg(580m/s) + (3.1kg)V'2
0=34.8kg-m/s + 3.1kgV'2
-34.8=3.1V'2
-11.23m/s=V'2
Is that right?
Thanks again :)
to get .060kg(0) + 3.1kg(0) =
.060kg(580m/s) + (3.1kg)V'2
0=34.8kg-m/s + 3.1kgV'2
-34.8=3.1V'2
-11.23m/s=V'2
Is that right?
Thanks again :)
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