ustin, with a mass of 45 kg, is going down an 8.0-m-high water slide. He starts at rest, and his speed at the bottom is 12 m/s. Part A How much thermal energy is created by friction during his descent

Choose all the answers that apply. our solar system: is in a spiral galaxy no longer includes pluto is made mostly of empty space is in the andromeda galaxy is the only known system that supports life

How many neutrons does element x if it’s atomic number is 28 and its mass number is 87

You throw a baseball directly upward at time =0 at an initial speed of 14.9 m/s. what is the maximum height the ball reaches above where it leaves your hand? ignore air resistance and take =9.80 m/s2.