A tennis ball, 0.314kg, is accelerated at a rate of 164m/s^2 when hit by a professional tennis player. What is force does the player’s tennis racket exertion the ball?

Texas bluebonnet plants seen in this photo are an example of which ecological unit?

Color blindness is a recessive trait. the gene for color blindness is on the x chromosome. the family tree below shows the trait of color blindness. the only unknown is the mother in the first generation

When explaining dominant and recessive traits to a younger family member, they respond, "well chances are i can probably taste ptc, since dominant traits are more common." how might you address this misconception?