Verified answer

Answer:

Mass=50kg

Kinetic energy =625J

v=?

Using the relation

:

KE=1/2 mv²

625=1/2×50×v²

v=5m/s²

Answer:

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Class 11

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>>How fast should a man of 50 kg run so th

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How fast should a man of 50kg run so that his kinetic energy will be 625J ?

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Solution

verified

Verified by Toppr

Mass=50kg

Kinetic energy =625J

v=?

Using the relation

:

KE=

2

1

mv

2

625=

2

1

×50×v

2

v=5m/s

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