Question

a body is thrown up with a kinetic energy of 10 joule if the if it's attains a maximum height of 5m find the mass of the body

Answer 1

Hello Mate!

Since we know that,

According to the law of conservation of energy,

Potential energy = Kinetic energy

U = K.E

mgh = ½ mv²

√2gh = v

√( 2 × 10 × 5 ) = v

10 m/s = v

Hence,

K.E = ½ mv²

10 J = ½ × m × 10²

10 J = 50 m

0.2 kg = mass.

Hence, mass if body is 0.2 kg.

Have great future ahead!

Answer 2

Answer:

0.2 kg

Explanation:

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