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CBSE Class 9 Answered

A car weighing 3000kg travelling at a speed of 108km/h collides with a building and is stopped in 0.
Asked by | 06 Sep, 2009, 07:14: PM
answered-by-expert Expert Answer

Impulse = change in momentum = force x time

= final momentum - initial momentum

= 0 - (3000 kg)((108 km/h)

= - (3000 kg)(108/3.6 m/s)

= -90000 N.s

The impulse exerted on the car is 90000 N.s i.e. 90 kN.s

Regards,

Team,

TopperLearning.

Answered by | 06 Sep, 2009, 08:24: PM
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