Two boxes are accelerated to the right on a frictionless horizontal surface. The larger box has a mass of 9 kilograms and the sm
aller box has a mass of 3 kilograms. If a 24-newton horizontal force pulls on the larger box, with what force does the larger box pull on the smaller box?
A)3N B)6N C)8N D)18N E)24N
A)3N B)6N C)8N D)18N E)24N
2 answers:
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The final velocity of the bullet+block is 0.799 m/s
Explanation:
We can solve this problem by applying the principle of conservation of momentum: in fact, the total momentum of the bullet-block system must be conserved before and after the collision.
Mathematically, we can write:
where
m = 0.001 kg is the mass of the bullet
u = 800 m/s is the initial velocity of the bullet
M = 1 kg is the mass of the block
U = 0 is the initial velocity of the block (initially at rest)
v is the final combined velocity of the bullet and the block
Solving the equation for v, we find the final velocity:
Learn more about conservation of momentum:
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