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A truck crosses a stationary motorcycle at a speed of 54 km/h. At the same instant, the motor cyclist follows the truck by accelerating his motorcycle at the rate of 1 ms. The motor cyclist catches the truck after a time interval of: |
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Answer» 45 s `s_2` for motor cyclist =`0+1//2 xx1xxt^(2)` But `s_1=s_2` `54xx(5)/(18)xxt=(t^(2))/(2)` or t=30s |
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