Answer needed ! : elements with the same on the periodic table have the same number of valence electrons

How is acceleration calculated? a. initial velocity - final velocity / timeb. initial velocity + final velocity / timec. final velocity - initial velocity / timed. final velocity / timele select the best answer from the choices provided0oood00save and exitnextmark this and return

Who was the first scientist to measure speed as distance over time?

What are two different ways you could find the value of a? explain these methods.