1. Hans Gruber falls 32 stories from a window in Nakatomei Plaza. If Hans has a mass of 81.2 kg and accelerates at -6500 m/s? before coming to a stop, what force is exerted by the sidewalk?

A2000 kg car is rounding a curve of radius 200 m on a level road. the maximum frictional force the road can exert on the tires of the car is 4000 n. what is the highest speed at which the car can round the curve?

Selma made a diagram to compare convection and radiation. which label belongs in the area marked x? must involve temperature differences between substances or objects only occurs when molecules are in direct contact involves the movement of fluids based on density differences can occur where there is little or no matter

The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is as it changes into other forms of energy.