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An object moved from A to B, covering a distance of 300 m at a speed of 20m/s. It then travelled from B to C, covering another 300 m in 15 seconds. Find the average speed of the object in travelling from A to C, if it stopped at B for 30 seconds. |
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Answer» An object moved from A to B, covering a distance of 300 m at a speed of 20m/s. It then travelled from B to C, covering another 300 m in 15 seconds. Find the average speed of the object in travelling from A to C, if it stopped at B for 30 seconds. |
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