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A car accelerates uniformly from 18 kmph to 72 kmph in 5 s. The acceleration of the car (in m/s2) is:

Answer» <html><body><p> 3</p><br/><br/><p>Initial <a href="https://interviewquestions.tuteehub.com/tag/speed-1221896" style="font-weight:bold;" target="_blank" title="Click to know more about SPEED">SPEED</a> = <a href="https://interviewquestions.tuteehub.com/tag/u-1435036" style="font-weight:bold;" target="_blank" title="Click to know more about U">U</a> = 18 km/hr = <a href="https://interviewquestions.tuteehub.com/tag/5-319454" style="font-weight:bold;" target="_blank" title="Click to know more about 5">5</a> m/s<br/>Final speed = <a href="https://interviewquestions.tuteehub.com/tag/v-722631" style="font-weight:bold;" target="_blank" title="Click to know more about V">V</a> = 72 km/hr = 20 m/s<br/>acceleration a = (v-u)/t = (20 - 5)/5 = 3 m/s<sup>2</sup>.</p></body></html>


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