What is entropy? a. a measure of the randomness of a system

b. work done on a system

c. heat flowing from cold to hot

d. a measure of the efficiency of a system

In order to place a satellite into orbit, it requires enough fuel to supply the necessary mechanical energy. into what types of mechanical energy does the fuel get transformed?

Consider two metallic rods mounted on insulated supports. one is neutral, the other positively charged. you bring the two rods close to each, but without contact, and briefly ground the the neutral rod by touching it with your hand. show answer correct answer what would be resulting charge (if any) on the initially neutral rod

What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?