Chemistry, asked by abhijithrv3214, 2 days ago

A car of mass 1000kg travels with a velocity of 20 m/s when brakes are applied the car comes to rest in 20second then calculate initial momentam ?

Answers

Answered by vinaytiwari011083

0

Answer:

Correct option is A)

Explanation:

Final velocity(v)=0

Distance moved(S)=50m

We know,

v

2

=u

2

+2aS

0=20

2

+2a×50

−400=100a

a=

100

−400

a=−4ms

−2

Now,

F=ma

F=1000×−4

=−4000N

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