CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

A train is travelling at a speed of 108 km/h. Brakes are applied so as to produce a uniform retardation of 1 m/s2. Find how far the train will go before it is brought to rest :

A
800 m
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
450 m
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
1000 m
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
1050 m
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B 450 m
Given,
u=108km/h=108×100060×60=30m/s
a=1m/s2
v=0m/s
From 3rd equation of motion,
2as=v2u2
2×1×s=0230×30
s=30×302×1
s=450m
The correct option is B.

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Distance and Displacement
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon