1.

6. The motion of a car is.described by the velocity-time graph as shown in thefigure given below.ur62D:\E0 10 20 30 40 50 60Time (s)Find the distance travelled by the car between (i) O to 20s and (i) 20 to 50s. (3)

Answer»

The area under velocity-time curve gives the displacement (or distance) of the moving object.

i) Distance travelled in 0 to 20s = area of triangle AOC =0.5*20*5 m = 50 m

ii) Distance travelled in 20 to 50s = area of rectangle ABDC + area of triangle BDE =20*5 + 0.5*20*10 =100+100 =200 m



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