A parachutist of mass 62 kg is falling at 55 km/h when her parachute opens. She then falls 24 m in the next 2.0 s. Find the force of air resistance acting on the parachutist during those 2.0 s.

What type of electromagnetic wave is used in security pens? a. x-rays c. microwaves b. visible light d. ultraviolet radiation select the best answer from the choices provided

In a set amount of time, a battery supplies 25j of energy to an electric circuit that includes two different loads. one of the loads produces 10 j of heat energy during this time interval. how much heat energy is produced by the second load in this time? explain your answer

If element x has 99 protons how many electrons does it have