The bed of a gravel truck is lifted to pour out a load of rock. If the bed of the truck is 12 feet long, how high is it from the frame when is is tipped upward at a 30 degree angle?

This is for Trigonometry ∠≅ _≅√

because the two particles have an equal charge, the charges will cancel out and give the atom an overall charge of 0. so, if at atom has 35 protons in the nucleus, we could expect it to have 35 electrons orbiting that nucleus.