Home
Class 11
PHYSICS
A steel drill is making 180 revolution p...

A steel drill is making 180 revolution per minute, under a constant forque of 5N-m. If it drills a hole in 7sec in a steel block of mass 600gm, rise in temperature of the block is `(S=0.1 gm^(-1).^(@)C^(-1))`

Promotional Banner

Similar Questions

Explore conceptually related problems

A drilling machine is used to drill a hole in a 10 kg metal block. Power of the drilling machine is 1 KW and it is used for 5 minutes. If 40% of the work done by the drilling machine is converted into heat in the metal block, the rise in its temperature is (Specific heat- 0.12 cal gm^(-1).^(@)C^(-1) and J=4.2 J/Cal)

A 15kW drilling machine is used to drill a bore in a small aluminium block of mass 10 kg. Assuming 50% power is used up in heating the machine itself or lost to the surroundings then, the rise in temperature of the block in 2 minutes is (Specific heat capacity of aluminium =0.91 J g^-1^@C^-1 )

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) )

A hammer of mass 200 kg strikes a steel block of mass 200 g with a velocity 8 ms^(-1) . If 23% of the energy is utilized to heat the steel block, the rise in temperature of the block is (Specific heat capacity of steel, = 460 J kg ^(-1) K^(-2) )