A car accelerates from rest to a velocity of 8 meters/second in 6 seconds. What is its average acceleration over this period of time?

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.

Ascientist notices that an oil slick floating on water when viewed from above has many different colors reflecting off the surface, making it look rainbow-like (an effect known as iridescence). she aims a spectrometer at a particular spot and measures the wavelength to be 750 nm (in air). the index of refraction of water is 1.3

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created