The velocity-time graph of a car moving along a straight road is shown in figure. The average velocity of the car is first 25 seconds is
20m/s
14m/s
10m/s
17.5m/s
The correct Answer is:B
Average velocity =25∫0vdt25−0=Area of v-t graph between t=0 to t=25 s25=125[(25+102)(20)]=14m/s
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