The table shows the position of a cyclist.
t (seconds) 0 1 2 3 4 5
s (meters) 0 1.4 5.4 10.8 17.4 24.6
(a) Find the average velocity for each time period.
(i) [1, 3]
4.45
Incorrect: Your answer is incorrect.
m/s
(ii) [2, 3]
5.5
Incorrect: Your answer is incorrect.
m/s
(iii) [3, 5]
7.2
Incorrect: Your answer is incorrect.
m/s
(iv) [3, 4]
3.5
Incorrect: Your answer is incorrect.
m/s
(b) Estimate the instantaneous velocity when t = 3.
6.25
Incorrect: Your answer is incorrect.
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1 answer

10.8/3 = 3.6
(10.85.4)/1 = 5.4
(24.610.8)/2 = 6.9
(17.410.8)/1 = 6.6
(17.45.4)/2 = 6 👍
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answered by Damon
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