wiz-icon
MyQuestionIcon
MyQuestionIcon
3
You visited us 3 times! Enjoying our articles? Unlock Full Access!
Question

A car moving with a velocity of 10 m/s can be stopped by the application of a constant force F in a distance of 20 m. If the velocity of the car is 30 m/s, it can be stopped by this force in

A
203 m
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
20 m
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
60 m
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
180 m
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution

The correct option is D 180 m
Since, the applied force is constant, the retardation produce by it in order to stop the car will be constant.
We have,
v2u2=2as 02u2=2as
su2.
s2s1=u22u21 s220=302102
s2=180 m
Hence, in second condition the car will stop in a distance of
s2=180 m

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Motion Under Constant Acceleration
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon