True of false efficiency compared the output work to the output force

Grace rides her bike at a constant speed of 6 miles per hour. How far can she travel in 2 1/2 hours?

According to the law of conservation of energy, when a car uses 10,000 J of chemical energy from gasoline, how much of this energy will be transformed into mechanical, sound, or heat energy? A. 20,000 J B. 5000 J C. 10,000 J D. 2500 J

How is psychology considered science

What is Potentiometer

Two football players are pushing a 60 kg blocking sled across the field at a constant speed of 1.5 m/s. the coefficient of kinetic friction between the grass and the sled is 0.30.

E=mc^2 solve for c E/m m/E sqrt (E/m) sqrt (m/E) E - m sqrt (E-m)

For resonance to occur, the object must experience a frequency equal to its what? amplitude period wavelength natural frequency

Rasheed runs a football 10 meters east, turns and runs the football 6 meters west. If his velocity during this run is found to be 3 meters/second, how long does this take Rasheed to complete this run?

What is the approximate weight of a 20-kg cannonball on the moon if the acceleration due to gravity is 1.6m/s^2

A man consumes 2245 kcal of food in one day, converting most of it to maintain body temperature. If he loses half this energy by evaporating water (through breathing and sweating), how many kilograms of water evaporate?