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#1
Can you help with question 10, very confused! It's supposed to be simple!

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2 years ago
#2
(Original post by Olmeister)
Can you help with question 10, very confused! It's supposed to be simple!
Just draw a velocity-time diagram for the journey.
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#3
But it's supposedly a SUVAT equation sheet?
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2 years ago
#4
(Original post by Olmeister)
But it's supposedly a SUVAT equation sheet?
For part a) think about what equations you need for the acceleration & deceleration phases (middle distance is known)

v = we know
u = we know
a = we know
s = we want
t = we don't care

Is there an equation you can form using the things you know & the thing you want (Hint: yes there is)
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2 years ago
#5
(Original post by Olmeister)
But it's supposedly a SUVAT equation sheet?
Fair enough, it's still a valid approach, however for SUVAT directly you then have to apply for part A.

Then have to apply two SUVAT equations for the second part at 3 different times. when it stops accelerating, when it begins decelerating, and when it comes to rest again. Drawing a diagram is useful here though.

I'm sure you know how to work out the average speed for the last part with the info you got.
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2 years ago
#6
Then for b) repeat as above
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