Answer:
constant speed is where the speed is the same throughout and instantaneous speed is speed given at any moment and average speed is a total distance traveled divided by the amount of time it took to travel it.
Explanation:
They make your bones stronger because your bones have to maintain to hold the weight.
Answer:
Arthur Ashe
Explanation:
He is still the only African American male tennis player to have won singles titles in the U.S. Open (1968), the Australian Open (1970), and Wimbledon (1975).
Answer: D. Quadriceps
Explanation:
The Quadriceps are the main muscles in the thigh and are some of the most powerful in the body due to their use in anything that requires the movement of the legs. Without the quads, we would be unable to walk, talk more of run.
The Quads along with the rest of the legs, are very important when it comes to high jump and long jump but the Quads are specially important when one needs to leap in these events because it is estimated that the leaping power needed is 80% produced in the quadriceps.
