An electric charge q = 2.8x10 ^ -8 C placed in a point of space undergoes a force F = 7 x10 ^ -3 N. calculates the modulus of the electric field at the point where the charge is located. Tysm

A2-kg bowling ball is 2.5 meters off the ground on a post when it falls. just before it reaches the ground, it is traveling 7 m/s. assuming that there is no air resistance, which statement is true?

What ia the energy of an object because of its potential and kinetic energies

You add 10 drops of hot water to the cold water in a clear beaker without stirring. after a short time, the water is warm throughout. which law of thermodynamics explains the change in temperature? third law second law first law