Question
Asked Sep 8, 2019
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A car accelerates uniformly from 10m/s to 20m/s in 5 seconds. 

a) How far does the car travel in this time?

b) After is reaches the speed of 20m/s, how long does it take to stop the cat over a distance of 100m. 

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Expert Answer

Step 1

a)

The required travelled distance is,

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20-10 -2 5 (20)-(10)' s 75 m

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Step 2

b)

The required ti...

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1 2 (100)-[(20)] 5 t-10sec

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Kinematics

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