The drag force that resists the motion of a car traveling at 80 km h^- 1 is 300 N. A. What power is required to keep the car traveling at that speed?

B. If the efficiency of the engine is 60%, what is the power of the engine?

(Show Work) please

Nacidified solution was electrolyzed using copper electrodes. a constant current of 1.18 a caused the anode to lose 0.584 g after 1.52 ✕ 103 s. given that the charge of an electron is 1.6022 ✕ 10−19 c, calculate avogadro's number. assume that copper is oxidized to cu2+ ions.

The substances that are necessary for producing of certain hormones and that store and transport vitamins

In a series circuit the __ is the same at every point