Asked by Nelly
A cannon of mass 200kg, fires a cannonball with a mass of 10kg. The cannon ball leaves the barrel of the cannon with a velocity of 60 m/s. Using the law of conservation of momentum , explain what happens to the cannon when the cannon ball is fired. (Answer should include calculation.)
Answers
Answered by
Damon
Well, I guess this cannon is fired horizontally.
final momentum = 200 v + 10 *60 = initial momentum = 0
so
v = - 600/200 = -3 m/s
final momentum = 200 v + 10 *60 = initial momentum = 0
so
v = - 600/200 = -3 m/s
Answered by
Nelly
Why is it 200v ??Is the formula used :
m1v2+m2v2=(m1+m2)v ???
Confusedd
m1v2+m2v2=(m1+m2)v ???
Confusedd
Answered by
Ricky
Pbefore = Pafter
(m1v2)+(m2v2) = (m1v2)+(m2v2)
(m1v2)+(m2v2) = (m1v2)+(m2v2)
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