Home Physics Newton's Laws of Motion All Topic Question for Revision Test A mass of 3 kg descending vertically downwar…
Physics Newton's Laws of Motion All Topic Question for Revision Test MCQ (Single Correct)

A mass of 3 kg descending vertically downwards supports a mass of 2 kg by means of a light string passing over a pulley. At the end of 5 s, the string breaks. How much high from now the 2 kg mass will go? (Take, )

A
4.9 m
B
9.8 m
C
19.6 m
D
2.45 m

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Text Solution

Verified by Experts
The correct answer is:
A

Acceleration of system before breaking the string,

After 5 s velocity of system,
Now,

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