21. when a ball is first dropped off a cliff in free fall, it has an
acceleration of 9.8 m/s2. what is its acceleration as it gets
closer to the ground? assume no air friction.
22. why is the position vs. time graph for an object in free fall a
curve?
23. draw a speed vs. time graph for an object accelerating from
rest at 2 m/s2.

Previous pagenext pagepage 3 of 10question 3 (1 point)which of the following consist of cells that do not have a nucleus? of the above

The images show the wings of a bat and a bee. from this evidence, what can you conclude about the evolutionary relationship between these organisms? a. the wing structures of the bat and the bee are different, indicating they didn’t inherit wings from a common ancestor. b. the wing structures of the bat and the bee are different, indicating they inherited wings from a common ancestor. c. the functions of bat wings and bee wings are the same, indicating they obtained wings from a common ancestor. d. the functions of bat wings and bee wings are different, indicating they didn’t obtain wings from a common ancestor.

If jane has the blood type ab and marries john who has type o blood what are the possible phenotypes of their first kid?