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Q1. If a car which is at rest suddenly accelerates at 24km/hr. after travelling for 6 hrs. What will be its final velocity?.please help |
Answer» <html><body><a href="https://interviewquestions.tuteehub.com/tag/32-144-273643" style="font-weight:bold;" target="_blank" title="Click to know more about 144">144</a> km/hExplanation:<a href="https://interviewquestions.tuteehub.com/tag/given-473447" style="font-weight:bold;" target="_blank" title="Click to know more about GIVEN">GIVEN</a>:-A <a href="https://interviewquestions.tuteehub.com/tag/car-909011" style="font-weight:bold;" target="_blank" title="Click to know more about CAR">CAR</a> in <a href="https://interviewquestions.tuteehub.com/tag/rest-11386" style="font-weight:bold;" target="_blank" title="Click to know more about REST">REST</a> position.(∴ <a href="https://interviewquestions.tuteehub.com/tag/u-1435036" style="font-weight:bold;" target="_blank" title="Click to know more about U">U</a> = 0)Acceleration = 24 km/h² (A)Time = 6 hours. (T)To find:-Final velocity after the time given (V)Solution:-(By first kinematical equation)V = U + A × TV = 0 + 24 × 6V = 144 km/hConclusion:-The final velocity which accelerates by 24 km/h² will have final velocity of 144 km/h after 6 hours.</body></html> | |