How does distance between two objects affect their gravitational force? force increases as distance increases. force decreases as distance increases. force decreases as distance decreases. force is not related to distance.

If an atom contains 11 protons in its nucleus, predict the element with the atomic number and electronic configuration. will the number of electrons remain the same during the chemical reaction in such an atom? explain.

Light traveling in water, nwater = 1.33, strikes a plastic block at an angle of incidence of 51.4°; part of the beam is reflected and part is refracted. if the index of refraction of the plastic is 2.0, what is the angle made by the reflected and refracted beams?

At what time will the interfering waves have an amplitudeof zero?