A cable in the form of a spiral roll as shown in the figure has a linear density 0.25 kg/m. It is uncoiled at a uniform speed of 2 m/s. If the total length of the cable is 15 m, the work done in uncoiling is (neglect friction)

A cable in the form of a spiral roll as shown in the figure has a line

1.	A cable in the form of a spiral roll as shown in the figure has a linear density 0.25 kg/m. It is uncoiled at a uniform speed of 2 m/s. If the total length of the cable is 15 m, the work done in uncoiling is (neglect friction)
Answer» 15 J 7.5 J 30 J 3.75 J ANSWER :B