23.A heavy iron bar of weight 'W' is having its one end on the ground and the other on the
shoulder of a man. The rod makes an angle o
with the horizontal. What is the weight
experienced by the man?

The magnitude of the amount of energy released by burning a fuel source, measured in energy per unit mass, is called its fuel value. note that the fuel value is the negative of the isobaric specific heat of combustion for the fuel. if all the energy obtained from burning 1.23 pounds of butane with a fuel value of 10.85 kcal/g is used to heat 128.0 kg of water at an initial temperature of 18.3 °c, what is the final temperature? note that 1 lb = 453.6 g.

Acorporation gives out its profits as dividends paid to whom?

How is science controlled by the governerment