A mass M breaks into two pieces in the ratio 1 : 3 while at rest. If the heavier has a speed of v, the speed of the lighter is__________
A. v
B. 3v
C. 1v
D. 4v
Answer:B
A mass M breaks into two pieces in the ratio 1 : 3 while at rest. If the heavier has a speed of v, the speed of the lighter is__________
A. v B. 3v C. 1v D. 4v