Question

On applying brakes of a car which is moving at a speed v, it stops after covering a diste Calculate, what will be the distance covered by the car after applying brakes if it was mov speed of 2 v.​

Answer 1

Answer:

4S [S-DISTANCE TRAVELLED.]

Explanation:

As per kinematics equation

$V^{2}-U^{2} = 2aS$

so here V=0 AND U=V

so equation is

$v^{2} = 2aS$  (equation 1)

Now, initial velocity is 2V

so equation will,

$(2v)^{2} = 2aS_{2}\\4v^{2} = 2aS_{2} \\4* 2aS= 2aS_{2}\\S_{2}= 4S$

Please mark as brainliest answer.

Thank you.