Arock is thrown upward from the level ground in such a way that the maximum height of its flight is equal to its horizontal range r. in terms of the original range rmax, what is the range rmax the rock can attain if it is launched at the same speed but at the optimal angle for maximum range?

Examine the nuclear reacti why is this classified as a nuclear reaction rather than a chemical reaction? it is not balanced. a new compound is formed. a change has occurred in a nucleus. a new element has been formed.

A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)

What happens to an isotope during radioactive decay?