Physics, asked by isthar, 1 year ago

A box of mass 400kg on a carrier of truck that is moving at a spees of 120 km/hr the driver applies brake and slow to speed of 60km/hr in 20sec the constant acceleration generated upon the box in m/sec*

Answers

Answered by Anonymous
5
HIII MATE!!!

GIVEN INFORMATION:-

m=400kg

t=20s

u=120km/h

CHANGING km/h INTO m/s ,we get
=120×1000/3600

=120×5/18

=600/18

=33.3m/s

v=0m/s (because of the breaks applied made the truck stop).

a=v-u/t

=0-33.3/20

=−1.665m/s^2

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