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

Three solid spheres each of mass m and radius R are placed at three corners of an equilateral triangle of side ‘d’ released. The speed of any one sphere at the time of collision would be:


A
Gm[1d3R]
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
Gm[3d1R]
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
Gm[2R1d]
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
Gm[1R2d]
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution

The correct option is D Gm[1R2d]

They all collide at the centroid. During collision, the distance between the centers of any two spheres will be 2R. Applying WET,
ki+Ui+wNC=kf+Uf
03Gm2d+0=3×12mv23Gm22R
v22=Gm[12R1d]
v=Gm[1R2d]



flag
Suggest Corrections
thumbs-up
2
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Conservation of Angular Momentum
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon