# Answer to Question #25823 in Mechanics | Relativity for nthabiseng

Question #25823

19. When is the magnitude of the ball’s velocity equal to half its initial velocity?

a) 15.29 s & 45.87 s b) 3.06 s & 6.12 s c) 2.04 s & 3.06 s d) 0 s & 6.12 s

e) None of them

20. When is the magnitude of the ball’s displacement equal to half the maximum it rises?

a) 8.96 s & 52.20 s b) 0.90 s & 5.22 s c) 2.04 s & 3.06 s d) 3.06 s & 6.12 s

e) None of them

21. What are the magnitude and direction of the acceleration while the ball is

moving upward?

a) - 9.81 m/s2 upward b) - 9.81 m/s2 downward c) 9.81 m/s2 downward

d) 9.81 m/s2 upward e) None of them

22. What are the magnitude and direction of the acceleration while the ball is moving downward?

a) - 9.81 m/s2 upward b) - 9.81 m/s2 downward c) 9.81 m/s2 downward

d) 9.81 m/s2 upward e) None of them

23. What are the magnitude and direction of the acceleration when the ball is at the highest point?

a) - 9.81 m/s2 upward b) - 9.81 m/s2 downward c) 9.81 m/s2 downward

d) 9.81 m/s2 upward e) None of them

A frog jumps at an angle of 30o to the horizontal with an initial velocity of 36km/h.

24. The velocity vox of the frog is

a) 8.6 m/s b) 10.0 m/s c) 9.81 m/s d) -10.0 m/s e) None of them

25. The velocity voy of the frog is

a) 8.6 m/s b) 5.0 m/s c) 9.81 m/s d) -10.0 m/s e) None of them

26. The acceleration ax of the frog is

a) 9.81 m/s2 b) – 9.81 m/s2 c) 0.00 m/s2 d) 10.0 m/s2 e) None of them

27. The acceleration ay of the frog is

a) 9.81 m/s2 b) – 9.81 m/s2 c) 0.0 m/s2 d) 10.0 m/s2 e) None of them

a) 15.29 s & 45.87 s b) 3.06 s & 6.12 s c) 2.04 s & 3.06 s d) 0 s & 6.12 s

e) None of them

20. When is the magnitude of the ball’s displacement equal to half the maximum it rises?

a) 8.96 s & 52.20 s b) 0.90 s & 5.22 s c) 2.04 s & 3.06 s d) 3.06 s & 6.12 s

e) None of them

21. What are the magnitude and direction of the acceleration while the ball is

moving upward?

a) - 9.81 m/s2 upward b) - 9.81 m/s2 downward c) 9.81 m/s2 downward

d) 9.81 m/s2 upward e) None of them

22. What are the magnitude and direction of the acceleration while the ball is moving downward?

a) - 9.81 m/s2 upward b) - 9.81 m/s2 downward c) 9.81 m/s2 downward

d) 9.81 m/s2 upward e) None of them

23. What are the magnitude and direction of the acceleration when the ball is at the highest point?

a) - 9.81 m/s2 upward b) - 9.81 m/s2 downward c) 9.81 m/s2 downward

d) 9.81 m/s2 upward e) None of them

A frog jumps at an angle of 30o to the horizontal with an initial velocity of 36km/h.

24. The velocity vox of the frog is

a) 8.6 m/s b) 10.0 m/s c) 9.81 m/s d) -10.0 m/s e) None of them

25. The velocity voy of the frog is

a) 8.6 m/s b) 5.0 m/s c) 9.81 m/s d) -10.0 m/s e) None of them

26. The acceleration ax of the frog is

a) 9.81 m/s2 b) – 9.81 m/s2 c) 0.00 m/s2 d) 10.0 m/s2 e) None of them

27. The acceleration ay of the frog is

a) 9.81 m/s2 b) – 9.81 m/s2 c) 0.0 m/s2 d) 10.0 m/s2 e) None of them

Expert's answer

Unfortunately, your question requires a lot of work and cannot be done for free.

Submit it with all requirements as an assignment to our control panel and we'll assist you.

Submit it with all requirements as an assignment to our control panel and we'll assist you.

## Comments

## Leave a comment