Homework Statement
Consider a person in a room with an air temperature of 21C. The persons core body temperature is 37C and their surface tissue thickness is 5 mm. If the total surface area of their skin is 1.5 m2, and they are wearing clothes of a thickness of 2 mm and the surface heat...
Homework Statement
100 g of steam at 100C is mixed with 1 kg of water at 10C. What is the final temperature of the mixture? (in C)
heat capacity of water: cw = 4.186 kJ kg-1 K−1
latent heat of vapourisation for water: Lv = 2256 kJ kg−1
latent heat of fusion for water: Lf = 334 kJ kg−1
Homework...
Homework Statement
A hollow ball has a mass of 0.310 kg and radius 0.0340 m. The ball is thrown vertically upwards from rest. It rises through a height of 1.40 m then drops down again. When it is released, it is moving upwards at 5.24 m s−1 and rotating at 2.70 revolutions per second.
For...