Brad walks and jogs to schooll every day. he averages 5 km/hr walking and 9 km/hr jogging. the distane from home to shool is 6 km, and the total trip takes 1 hour. how far does brad walk?

Abeam of electrons with of wavelength of 7.5 x 10-6 m is incident on a pair of narrow rectangular slits separated by 0.75 mm. the resulting interference pattern is projected onto a screen 10.0 m from the slits. what is the separation of the interference maxima in the resulting interference pattern?

Which sound characteristic is not affected by the relative motion of an object

When electrons are added to the outermost shell of a carbon atom, it forms--an anion that has a larger anion that has a smaller cation that has a larger cation that has a smaller radius.