Question

The retardation of a car is -10 m/s. The initial speed is 10 m/s. After what time will the speed of the car be 10 m/s?​

Answer 1

Answer:

Hello Priyanshu..

according to the information given in question the car will never come back to speed of 10m/s.. so your answer will be at T=0 speed will be 10 m/s ..and next second it stops..

thank you..

Answer 2

Answer:0 second

Explanation:because if initial velocity is-10m/s and initial velocity is 10m/s then it will be stopped in the 1st second only. So 10m/s velocity is initial velocity ,.i.e. at 0 sec.