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A 4.5kg ham is thrown into a stationary 15 kg shop cart At what speed will the cart travel if the ham had an initial speed of 2.2 ms?
Blindbliss
m = 4.5kg
v = 2.2m/s
M = 15kg
V = ? ---- velocity of ham and cart
before:
momentum of ham = pv
momentum of cart = 0
after:
momentum of ham and cart = (m+M)V
momentum of ham + momentum of cart = momentum of ham and cart
mv + 0 = (m+M)V
mv / (m+M) = V
(4.5*2.2) / (4.5 + 15) = 0.51 kgm/s
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∙ 10y ago
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