Besides a reduction in friction the only way to increase the amount of work output of a machine is to (blank) the work input

If you exert a force of 700 N to walk 6m up a flight of stairs in 6s how much power do you lose?

During a race, four competitors of the same weight rode identical bicycles for 10 minutes. At 8 minutes, which bicycle was moving with the greatest velocity?

When you turn on a radio and hear music, at what approximate speed are the radio waves traveling? A. the speed of light B. 80% of the speed of light C. 50% of the speed of light D. less than half the speed of light

your oven has a power rating of 5000 watts. How many kilowatts is this?

The statement that "the lowest energy configuration for an atom is theone having the maximum number of unpaired electrons allowed by thePauli principle in a particular set of degenerate orbitals" is known asa. Pauli Exclusion Princpleb. Hund's rulec.

Which concept was supported by taking measurements of the same stars at night and then again during solar eclipses?

Which of these is a biotic factor? A) topography B) soil C) air D) bacteria

One reason it's often easy to miss and action reaction pair is because of?

Recently, some information about a distant planet was learned. It has a radius of 6000000 meters, and the density of the atmosphere as a function of the height h (in meters) above the surface of the planet is given by δ (h) =

Which of the following is not a good approximation of the relationship between independent and dependent variables? A. independent: first, dependent: next B. independent: input, dependent: output C. independent: cause, dependent: effect D.