14.[1pt] The diagram below shows time exposure images of two balls travelling al
ID: 1880678 • Letter: 1
Question
14.[1pt] The diagram below shows time exposure images of two balls travelling along the x-axis. The time of each image is indicated next to it. 3 Ball B .. 5 1 1 Answer each of the questions below by choosing from the following options (eg., if the answer to the first question is ball A', to the second, ball B', and to the rest, cannot tell, enter ABCCCC) A) ball A, B) ball B. C) cannot tell, D) both, N) ncither. ii. Which ball has a greater average speed between times 3 and 4? il. For which ball is the acceleration constant throughout its motion iv. For which ball is its average speed between times 1 and 2 different from its average speed between times 3 and 4? v. Which ball has a greater average speed between times 2 and 37 vi. Which ball is speeding up throughout its motion?Explanation / Answer
(i) Correct option is N i.e neither
Both ball are moving with different speed at different time, therfore netiher of them was moving with constant speed
(ii) Correct optio is B.
Since the distance covered in the same time by Ball B is more therefore its average speed will be more
(iii) Correct option is D.
Since the rate of increasing the velocity is constant for both
(iv)Correct option is D
(v)Correct option is N
Since both has same speed between 2 and 3
(vi)Correct option is B.
Since the ball A is speeding down.
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