James and juan were at the highest point in the football stadium, dropping water balloons on people below. many of the balloons did not break, so the boys added more water to the balloons. what impact did adding water have on the balloons' potential energy?

Research the neutrino using the internet and report your findings. in a nuclear decay, the nucleus of an atom splits apart. larger particles can be detected and their masses and velocities can be recorded. explain how the existence and properties of the neutrino could be predicted using the conservation laws.

Which of the following represents an upright image? a. -do b. +m c. -m d. +do

Any color picture tube and electric field exerts a net force of magnitude 1.68x 10^-13 n on an electron the rest mass of an electron is 9.11 x 10^-13 what is the electron acceleration?