The heat of combustion of benzene, c6h6, is –41.74 kj/g. combustion of 4.50 g of benzene causes a temperature rise of 4.50°c in a certain bomb calorimeter. what is the heat capacity of this bomb calorimeter?

In the sport of parasailing, a person is attached to a rope being pulled by a boat while hanging from a parachute-like sail. a rider is towed at a constant speed by a rope that is at an angle of 15 ∘ from horizontal. the tension in the rope is 1900 n. the force of the sail on the rider is 30∘ from horizontal. what is the weight of the rider? express your answer with the appropriate units.

Amodel rocket with a mass of 0.212 kg is launched into the air with an initial speed of 84 m/s. how much kinetic energy will the rocket have at a height of 214 m? assume there is no wind resistance. 634 j 303 j

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?