Question

You are analyzing a video of a moving object and want to calculate its average velocity. The video has a frame rate of 15 fps. As you are analyzing the video frame by frame, you see that the object moves a distance of 45 cm in 8 frames. What is the average velocity of the object in m/s?

Answer 1

Answer:

v= 0.8 m/s

Explanation:

• We can apply the definition of average velocity, as follows:

        $v_{avg} = \frac{\Delta x}{\Delta t} (1)$

        where Δx = d = 0.45 m

• In order to get the time t, we need to convert the frame rate to time.
• If the frame rate is 15 fps, this means that one frame lasts for 1/15 sec, as follows:

       $t_{fr} =\frac{1}{15} sec/frame = 0.07 sec/fr (2)$    

• total time is just time for one frame, times 8 frames:

       t = 0.07 sec/fr*8 fr = 0.56 sec. (2)

• Replacing d and t in (1), we get:
• v = 0.8 m/s    

Answer 2

The average velocity of the moving Object is : 0.8 m/s

Given data :

Frame rate of Video = 15 fps

Distance moved by the object = 45 cm = 0.45 m

number of frames = 8

Determine the average velocity of the moving object

Average velocity = Δ distance / Total time  ---- ( 1 )

Given that the frame rate of the video = 15 fps ( frame per second )

Time for one frame to move = 1/15 secs

Total time = 1/15 * 8 frames = 0.56 sec

Back to equation ( 1 )

Average velocity = 0.45 m / 0.56 sec

                            = 0.8 m/s

Hence we can conclude that The average velocity of the moving Object is : 0.8 m/s

Learn more about velocity : https://brainly.com/question/6237128