The branch of mechanics which deals with the motion of an object without considering the cause of motion, is known as Kinematics ~
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50W of power is generated using 100J of work to move a box onto a shelf. How long did it take to move the box from the floor to
1 answer:
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The final velocity of the block is 1.29 m/s
Explanation:
We can solve this problem by using the principle of conservation of momentum: in fact, the total momentum of the system must be conserved before and after the collision. Therefore, we can write:
where:
is the mass of the bullet
is the initial velocity of the bullet
is the final velocity of the bullet
is the mass of the block
is the initial velocity of the block
is the final velocity of the block
Re-arranging the equation and solving for v2, we find:
Learn more about momentum:
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