How does friction affect a machine efficiency?

A vehicle with a manual transaxle can be cranked and started without depressing the clutch pedal. Technician A says the clutch is not releasing when the pedal is depressed. Technician B says the most likely cause is a defective clutch safety switch.

A 64.4-kg firefighter climbs a flight of stairs 21.3-m high. How much work (in J) does he do?

The average weather pattern of a region over a long period of time is known as A-weather B-climate C-elevation D-conditions

True or false ohm's law states that I = R/V?

What do scientists use to explain an atom or the universe?

A British newspaper was interested in whether groups of people who differed in social standing were treated differently when they complained to organizations about poor service they had received.

During combustion, a fuel's electromagnetic energy is converted into thermal energy.

Explain why glucose is important to a cell

4. How far does a car travel in 90 seconds if it is traveling at a speed of 55 m/s?

Total energy input is 1400 and my efficiency is 80% so what is the useful energy output in jules?