Three identical spheres each of radius R are placed such that their centres lie on a straight line. What is the location of their centre of mass from the centre of the first sphere?
A. R
B. 2R
C. 3R
D. 4R
Answer:B
Three identical spheres each of radius R are placed such that their centres lie on a straight line. What is the location of their centre of mass from the centre of the first sphere?
A. R B. 2R C. 3R D. 4R