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

A projectile of mass m is fired with a velocity v from point P at an angle 45. Neglecting air resistance, the magnitude of the change in momentum leaving the point P and arriving at Q is
117607_4fbff605f167427fb6e1ff374a99ca6e.png

A
mv2
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
2mv
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
mv2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
mv2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is A mv2
Let u be the initial velocity.
The horizontal component of the velocity does not change during the journey.
The vertical component changes from (vsin45) to (vsin45).
Impulse=Δp=FΔt
Here ΔT=2vsin45og=2vg
and F=mg
Δp=mg×2vg=2mv.

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