Question

A vehicle of 1000Kg is moving with speed 36Km/h. Calculate work done to stop the vehicle?A vehicle of 1000Kg is moving with speed 36Km/h. Calculate work done to stop the vehicle?

Answer 1

Step-by-step explanation:

Given,

Mass(m)=1000kg

Speed(v)=36km/h=10m/s

∴Momentum=mv=1000×10=10000kgm/s

And,

K.E.=

2

1

mv

2

⇒K.E.=

2

1

(1000)(10)

2

=50,000J

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