Question

The kinetic energy of an object of
mass, m moving with a velocity
of 5 ms-is 25 J. What will be its
kinetic energy when its velocity
is doubled? What will be its
kinetic energy when its velocity
is increased three times?​

Answer 1

Explanation:

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Answer 2

Answer:

225J

Explanation:

Given v= 5m/s

KE= 25J

By applying the formula KE =1/2mv²

25=1/2m*(5)²

m=50/25= 2kg

Now v=3 times=3*5=15m/s

KE=1/2*2*(15)²

KE=225J

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