Question

A body of mass 1 kg is suspended by a weightless string which passes over a frictionless pulley of mass 2 kg as shown in the figure. The mass is released from a height of 1.6m from the ground. With what velocity does it strike the ground ?

• A. 16$ms^{-1}$
• B. 8$ms^{-1}$
• C. 4√2$ms^{-1}$
• D. 4$ms^{-1}$

Answer 1

Answer: (B)

8$ms^{-1}$

Answer 2

The correct answer is Option (B) : 8$ms^{-1}$