Answer:10
Explanation:
You have to do speed divided by time so your answers 10
3. is the answer, <span>Sodium needs to lose one electron, and chlorine needs to gain one electron. This is because Sodium's row always wants to give away an electron, while Chlorine's row wants to gain an electron.</span>
FOR THAT YOU NEED TO UNDERSTAND WHAT ACTUALLY KINETIC ENERGY IS.
It is a form of energy which is caused due to motion, when the ball is kicked, it is send into motion thus it gains kinetic energy, how come energy came from ? as you have already read this ENERGY MASS CANT BE CREATED OR DESTROYED. In this scenario the energy is being transferred by the football player into the ball which appears as the kinetic energy of the ball... that's how it works
Im not 100% sure but I beleive the answer is :Because different celestial body's form different shapes and sized of comets and meterors
vn = 10nV tanθ 7 (n even), and vn = (10n−4) V tanθ 7 (n odd).