momentum of an object is 20 kg m/sec.What will be its momentum if the velocity is reduced to (1/3) of its original magnitude but mass remains the same..
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The momentum of an object is 20 kg m/sec. Its momentum if the velocity is reduced to (1/3) of its original magnitude but the mass remains the same will be
Explanation:
- Consider an object of mass m with velocity v and momentum P.
Its momentum will be the product of mass and velocity. Which is given by the expression,
....(1)
- In the question, it is given that,
The momentum of the object (P)
Using equation (1),
....(2)
Substitute the value of P into equation (2),
...(3)
If the velocity is reduced to , its velocity (V) becomes,
...(4)
Then the momentum can be obtained by substituting equations(3) and(4) into equation(1),
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