wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

An aeroplane, when it is vertically above the point A on the ground, drops a bomb which hits target B on the ground. If the plane is moving at a height of 1.96km from the ground with a speed of 300m/s, then distance between A and B is (neglecting air resistance)

A
3km
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
6km
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
3m/s
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
4m/s
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B 6km
Time taken by the bomb to reach the ground is:
h=ut+12gt2,(u=0)
t=2hg
t=20sec
Horizontal distance travelled by the bomb in this time interval is:
s=vt
=300×20
Then the distance between A and B, d=6000 m=6 km

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