A ball is thrown straight up into the air,it reaches the top of its path and then falls back down to its initial position.During its flight,when is its speed greater than zero? Ignore air resistance.
A) only when it's moving up
B) when it's moving up and when it's moving down
C) never
D) only when it's moving down
E) always
Correct Answer:
Verified
Q1: A car moving along the x direction
Q2: An Olympic runner starts from rest and
Q4: The position of a nanoparticle as a
Q5: A bullet is fired through a board,8.00
Q6: The position of a nanoparticle as a
Q7: Two girls stand at the edge of
Q8: The acceleration of a race car as
Q9: The graph of the velocity of a
Q10: A ball is thrown straight up into
Q11: The graph of the position of a
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents