A particle of mass 100gm is thrown vertically
upwards with a speed of 5 m/s. The work done
by the force of gravity during the time the
particle goes up is (g = 10ms-2)
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A particle of mass 100 g is thrown vertically upwards with a speed of 5 m/s. The work done by the force of gravity during the time the particle goes up is Option 1) ...
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Hyy Dude
Kinetic energy at projection point is converted into potential energy of the particle during rise. Potential energy measures the workdone against the force of gravity during rise.
(- work done) = kinetic energy = 1/2 mv²
OR ( - work done)
= 1/2 × ( 100/ 1000) (s) ² = 5× 5 / 2× 10 = 1.25]
Work done by force of gravity = 1.25.
May this helps you
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