9. A toy helicopter is 22 meters high as it flies at a velocity of 10 m/s, the helicopter's mass is 3 kg. Calculate the mechanical energy of the toy helicopter.

Which of the following is a good definition for the word adaptation? question 1 options: a trait that an organism survive and reproduce in its environment. a change in an organism's environment. the way in which animals obtain food. a temperature change that can cause the extinction of plants and animals.