The velocity time graph of particle moving along a straight line is shown below find the average velocity of the particle in kilometre per hour
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average velocity is 25m/s so distance will be 25×20=500m
now finding area of the graph between velocity and time graph we get
area of two triangles + area of rectangle.
2.
2
1
t.5.t+(25−2t).5t=500=>t
2
−25t+100
=>t=5
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