The a metal retainer that keeps the rolling elements evenly spaced. n a. seal n b. separator n c. bearing n d outer race

A150 w lamp emits light of wavelength 590 nm uniformly in all directions. what is the photon flux (photons per unit area per unit time) on a small screen at a distance 2.3 m from the lamp? assume the photons are uniformly distributed over the surface of a sphere of radius 2.3 m.

Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value

What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration