A 10kw drilling machine is used for 5 minutes to bore a hole in an aluminium block of mass
Channel: Doubtnut
Date: 2020-02-16

A 10kw drilling machine is used for 5 minutes to bore a hole in an aluminium block of mass `10xx10^(3)kg`. If 40% of the work done is utilised to raise the temperature of the block, then find the raise in temperature of the aluminium block? (Specific heat of Aluminium `=0.9 Jkg^(-1)k^(-1)`)