2KW drill is used to bore a hole in an aluminium block of mass 20kg in 21 minutes. If 60% of the Power of drill is wasted and the remaining power is used to heat the block,the rise in temperature of the block is ( specific heat of aluminium = 200 cal kg-1 k-1)
Answers
Answered by
0
Answer:
noo Any Ideas in your question sorryyy Bro
Similar questions