4th question please with solution
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To find ratio of momentum, it’s required to find their velocities.
To find velocities, apply conservation of energy.
For first ball,
m1gH1 = 1/2 m1 v1^2
Square root (2gH1) = v1…………..(1)
Similarly for second ball ,
Squareroot (2gH2) = v2…………..(2)
Ratio of momentum,
P1/P2 = m1v1/m2v2
=squareroot(2gH1)/ squareroot (2gH2)
(Mass of both balls same (given ) I.e. m1=m2)
= squareroot(2*g*16)/squareroot(2*g*64)
=4/8
=1/2
P1/P2 =1/2
Explanation:
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