Average Speed Flashcards
1
Q
What is the independent value?
A
Height of the ramp
2
Q
What is the dependant variable?
A
Average speed of a trolley moving down the ramp
3
Q
What are the calculations needed?
A
Average speed = distance/time
Average speed = initial speed + final speed / 2
4
Q
What are the results?
A
Line of best fit is a curve through the origin of decreasing gradient.
Average speed is not proportional to h.
5
Q
What are some other possible approaches?
A
Light gates.
Data logger.
Computer software.