Multiple Choice
A ball is thrown straight up, reaches a maximum height, then falls to its initial height. Which of the following statements about the direction of the velocity and acceleration of the ball as it is going up
Is correct?
A) Its velocity points upward and its acceleration points downward.
B) Both its velocity and its acceleration point upward.
C) Its velocity points downward and its acceleration points upward.
D) Both its velocity and its acceleration points downward.
Correct Answer:
Verified
Correct Answer:
Verified
Q125: As a proton moves in the direction
Q126: In an ideal transformer, how many turns
Q127: The process in which heat flows by
Q128: Consider two copper wires of equal cross-sectional
Q129: The power rating of a 400-Ω resistor
Q131: A car that is initially moving at
Q132: If the velocity versus time graph of
Q133: A bullet shot straight up returns to
Q134: Suppose that a car traveling to the
Q135: A foul ball is hit straight up