Q.

A car is moving towards check post with velocity of 54 kmh-1. When the car is at a distance of 400 m from the check post, the driver applies brakes which causes a deceleration of 0.3 ms-2. Find the distance (in meter) of car from the check post for 2 minutes after applying the brakes.

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away
An Intiative by Sri Chaitanya

answer is 25.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Here, u=54×518=15ms−1a=−0.3ms−2∵ v=u+ator 0=15−0.3t0∴ t0=50sAfter 50 s, car permanently comes to rest. ∴s=u+v2t=15+02×50=375mThus, the distance of car from the check post is(400−375)m=25m
Watch 3-min video & get full concept clarity
Related Blogs
Get ₹ 1 crore* worth scholarship for JEE / NEET / Foundation
Result Producing online coaching for JEE/NEET of south India
Largest All India Test Series for JEE/NEET
Best Books for IIT JEE
Best Books for NEET
How to Join IIT after 10th
score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

Related Blogs
Get ₹ 1 crore* worth scholarship for JEE / NEET / Foundation
Result Producing online coaching for JEE/NEET of south India
Largest All India Test Series for JEE/NEET
Best Books for IIT JEE
Best Books for NEET
How to Join IIT after 10th
whats app icon