momoshrestha momoshrestha

22-11-2021
Physics

contestada

How fast should a girl of 35 kg run so that her kinetic energy becomes 700J
of?

Respuesta :

Adenosine Adenosine

22-11-2021

V^2 = 700J/0.5*35kg

V = square root of 40

v = 6.324 m/s

Answer Link

m9882435 m9882435

22-11-2021

Answer:

√40m/sec

Explanation:

As we know Kinetic energy = 1/2 mv^2

700 = 1/2 x 35 x v^2

1400/35 = v^2

√40 = v

So v, √40m/sec

Hope this helps you.

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