Laws Of Motion Question 214
Question: Two balls of masses and are separated from each other by a powder charge placed between them. The whole system is at rest on the ground. Suddenly the powder charge explodes and masses are pushed apart. The mass travels a distance and stops. If the coefficients of friction between the balls and ground are same, the mass stops after travelling the distance [BHU 1994]
Options:
A)
B)
C)
D)
Show Answer
Answer:
Correct Answer: C
Solution:
We know that in the given condition
therefore