Position-Time

A position-time graph of an athlete winning the 100-m run is shown. Estimate the time taken by the athlete to reach 65 m.

• 6.0 s

• 6.5 s

• 5.5 s

• 7.0 s

A position-time graph of an athlete winning the 100-m run is shown. What was the instantaneous position of the athlete at 2.5 s?

• 15 m

• 20 m

• 25 m

• 30 m

A position-time graph of an athlete winning the 100-m run is shown. What was the instantaneous position of the athlete at 2.5 s?

• 15 m

• 20 m

• 25 m

• 30 m

From the following position-time graph of two brothers running a 100-m run, analyze at what time do both brothers have the same position. The smaller brother started the race from the 20-m mark.

• 2 s

• 4 s

• 6 s

• 8 s

The position-time graph of two runners A and B is given. When does runner B pass runner A?

• 40 s

• 35 s

• 45 s

• 50 s

The position-time graph of two runners A and B is given. Where does runner B pass runner A?

• 0 m

• 100 m

• 190 m

• 55 m

Where was runner A located at t=0 seconds?

• at origin

• at 50 m from origin

• at -50 m from origin

• at 100 m from origin

Which runner was ahead at t=48.0 s?

• runner A

• runner B

When runner A was at 0.0 m, where was runner B?

• 0 m

• 50 m

• 100 m

• -50 m

How far apart were runners A and B at t=20.0 s?

• 10 m

• 30 m

• 50 m

• 70 m