Answer:
in order to find the average velocity use change in Displacement / change in time?
Explanation:
Work done = Force X Distance
3 430 000J = Force X 14m
Force = 3 430 000J / 14m
= 245 000 N
Hope this helps!
It's true that mechanical waves require a medium for transmission.
1 Is correct because James is going faster.
2 is correct because a faster speed on a position vs time graph will have a steeper slope
3 is correct as well.
The answer is 4 all of the above
