A car of mass m, travelling at speed v, stops in time t when maximum braking force is applied. Assuming the braking force is same for both cases. What time would be required to sop a car of mass 2 m travelling at speed v?
see full answer
High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET
🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.
An Intiative by Sri Chaitanya
a
12t
b
t
c
2t
d
2 t
answer is D.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
Let the acceleration of first car be a. Then acceleration of second car is.For first car, 0 = v-at or t = vaFor second car, 0 = v-a2t' or t' = 2va = 2t