Diana's answer to Diana's Hong Kong question.

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Diana
Diana's answer
8 answers (A Helpful Person)
1st
The upper part:) thx
J
J
6 years ago
Total time taken = 5 s
Total distance AB ≈ 8.225 cm (82.25mm)

So ∫(5,0) u dt = 82.25 mm

remember that the integral of speed/velocity is distance.

And u = Vo + at , where Vo is initial speed and a is acceleration

Refer to these slides :

https://www.google.com.sg/url?sa=i&source=images&cd=&ved=2ahUKEwji55DWor3dAhUEN48KHfjvCJkQjhx6BAgBEAM&url=https%3A%2F%2Fwww.google.com.sg%2Famp%2Fs%2Fslideplayer.com%2Famp%2F5225179%2F%3Fsource%3Dimages&psig=AOvVaw2sg6aCc8HrkRZgWM6hXUxw&ust=1537109322843891