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07-11-2020
Mathematics

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A car moves at a speed of 30m/s to the west for 3hr. What is the displacement of the car in km?

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noname2020 noname2020

07-11-2020

(30m/s divided by 2)x 10800 ( convert 3hr to seconds by x with 60squared)
= 162000 m ( convert m to km by dividing with 1000)
= 162 km

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