Question

Consider the following graph

displacement (m)
10
2
0
-2
-6
-8
-10
8
6+
4
(4314)/ Graph
Displacement vs Time
02 4 6 8 10 12 14 16 18 20
time (s)
What is the velocity at 10 s?

Answer 1

Velocity at 10 seconds is - 1 m/s.

Explanation:

See the attached graph of the data points. Confirm the table correctly reflects the information provided.

In a time/distance graph, the slope of the line at a selected point tells us the speed at that point. To find the velocity at 10 seconds, draw a best fit line through that point and calculate the slope of that line.

Slope is the Rise/Run of the line. The calculations are shown for two selected points on the line.

The slope at 10 seconds is -1 m/s. The object is moving in a negative direction at a speed of 1 m/s at this time.