How electrical energy can be used by an electrical toothbrush that is plugged in but not running?

Add or subtract as indicated. a. 5.80 x 10^9 s + 3.20 x 10^8 s b. 4.87 x 10^-6 m - 1.93 x 10^-6 m

The mass of an electron is 9.11 * * 10 -31 -31 kg. 1) How far apart would two electrons have to be in order for the electric force exerted by each on the other to be equal to the weight of an electron?

A solid-propellant rocket has chamber pressure of 6.35 atm with propellant density of 3.8 g/cm3 and burn area of 975 cm2. Find the total burn time (in seconds) if the propellant mass is 320 kg.

Find the density, in g/cm3, of a metal cube with a mass of 50.3 g and an edge length (l) of 2.65 cm. the volume (v) of a cube is v=l3

Find the orbital period (in years) of an asteroid whose average distance from the sun is 27 a. u. only enter the number, not the units

How many miles is the moon from the earth

A 1.00x10^3 crate is being pushed across a level floor at a constant speed by a force

How could you make a sound wave have a lower pitch

Ice caps at the north and south poles are very reflective the ice reflects light and heat rather than absorbing it.

When you jump straight up as high as you can, what is the order of magnitude of the maximum recoil speed that you give to the Earth? Model the Earth as a perfectly solid object.