Akito pushes a wheelbarrow with 800 w of power. how much work is required to get the wheelbarrow across the yard in 12 s? round your answer to the nearest whole number.
it takes blank j of work to get the wheelbarrow across the yard

The nuclear potential that binds protons and neutrons in the nucleus of an atom is often approximated by a square well. imagine a proton conned in an innite square well of length 105 nm, a typical nuclear diameter. calculate the wavelength and energy associated with the photon that is emitted when the proton undergoes a transition from the rst excited state (n 2) to the ground state (n 1). in what region of the electromagnetic spectrum does this wavelength belong?