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This question was asked in NCERT Question 1

A car of mass 2000 kg changes it's speed from 72km/h to 36km/h in 5 seconds. The force applied on the brake is?

NANDITHAA.S Camford

June 21, 2020, 10:59 a.m.

Answers!

Abbas Jogpur

June 21, 2020, 11:01 a.m.

Given,

Mass of car,

Velocity,

Apply kinematic equation of motion

Breaking force,

Apply first kinematic equation

Breaking force is and time is .

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NANDITHAA.S Camford

June 21, 2020, 10:59 a.m.

What is the answer??

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