An elephant puts a force of 30000N on its four feet, which have a total area of 750cm2
. What is the pressure exerted by the elephant on the ground?

Which units can be used to measure length or distance? check all that apply. gram meter kilometer liter inch

What is the momentum of a 2 kg object moving at 15 meters per second

Astudent wears sunglasses to her read a book more easily which wave interaction occurs as light passes from the air into the plastic lenses? a polarization b.refraction c.diffraction d. interference