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Sprinter running with a velocity of9 seconds stop in 5 seconds find its acceleration and distance traveled by stopping |
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Answer» Answer: Explanation: C. S. Sharma, Love playing with numbers, becoming math enthusiast Answered September 22, 2019 · AUTHOR has 7.6K answers and 4.2M answer views Friends…! What is the speed in km/hr if a sprinter runs 100 metres in 10 seconds? First we have to CONVERT meters to KILOMETERS and time in seconds to hour. 1 meter = 1/1000 kilometers 100 meter = 100/1000 kilometers = 1/10= 0.1 kilometer 1 second = 1/3600 hour 10 seconds = 10/3600 =1/360 hour Now speed = 0.1 km/(1/360) hour Speed = 0.1 × 360/1 km/hour Speed = 36 km/hour Answer Sprinter speed is 36 kilometers per hour or 36 km/h |
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