Sand is fallingon a conveyor belt at the rate of 5kgs^(-1). The extra power required to move the belt with a velocity of 6ms^(-1) is,

Sand is fallingon a conveyor belt at the rate of 5kgs^(-1). The extra

1.	Sand is fallingon a conveyor belt at the rate of 5kgs^(-1). The extra power required to move the belt with a velocity of 6ms^(-1) is,
Answer» 30 W 180 W 150 W 1.2 W Answer :B