%3CDIV%20style%3D%22Z-INDEX%3A%26nbsp%3B101%3B%26nbsp%3BBORDER-BOTTOM%3A%26nbsp%
ID: 2273849 • Letter: #
Question
%3CDIV%20style%3D%22Z-INDEX%3A%26nbsp%3B101%3B%26nbsp%3BBORDER-BOTTOM%3A%26nbsp%3B0px%3B%26nbsp%3BPOSITION%3A%26nbsp%3Babsolute%3B%26nbsp%3BBORDER-LEFT%3A%26nbsp%3B0px%3B%26nbsp%3BPADDING-BOTTOM%3A%26nbsp%3B0px%3B%26nbsp%3BMARGIN%3A%26nbsp%3B0px%3B%26nbsp%3BPADDING-LEFT%3A%26nbsp%3B0px%3B%26nbsp%3BWIDTH%3A%26nbsp%3B697px%3B%26nbsp%3BPADDING-RIGHT%3A%26nbsp%3B0px%3B%26nbsp%3BHEIGHT%3A%26nbsp%3B0px%3B%26nbsp%3BBORDER-TOP%3A%26nbsp%3B0px%3B%26nbsp%3BTOP%3A%26nbsp%3B0px%3B%26nbsp%3BBORDER-RIGHT%3A%26nbsp%3B0px%3B%26nbsp%3BPADDING-TOP%3A%26nbsp%3B0px%3B%26nbsp%3BLEFT%3A%26nbsp%3B0px%22%26nbsp%3Bdata-mce-style%3D%22z-index%3A%26nbsp%3B101%3B%26nbsp%3Bposition%3A%26nbsp%3Babsolute%3B%26nbsp%3Bmargin%3A%26nbsp%3B0px%3B%26nbsp%3Bwidth%3A%26nbsp%3B697px%3B%26nbsp%3Bheight%3A%26nbsp%3B0px%3B%26nbsp%3Btop%3A%26nbsp%3B0px%3B%26nbsp%3Bleft%3A%26nbsp%3B0px%3B%26nbsp%3Bborder%3A%26nbsp%3B0px%3B%26nbsp%3Bpadding%3A%26nbsp%3B0px%3B%22%3E%0D%0A%3CDIV%26nbsp%3Bstyle%3D%22HEIGHT%3A%26nbsp%3B157px%22%26nbsp%3Bid%3DMathJax_MSIE_Frame%26nbsp%3Bdata-mce-style%3D%22height%3A%26nbsp%3B157px%3B%22%3E%3C%2FDIV%3E%3C%2FDIV%3E%0D%0A%3CP%3E%3CIMG%26nbsp%3Bclass%3Duser-upload%26nbsp%3Bsrc%3D%22http%3A%2F%2Fmedia.cheggcdn.com%2Fmedia%252Fabe%252Fabe349ef-9429-4fd9-9e95-6aa70165de00%252Fphp27tdkI.png%22%26nbsp%3Bwidth%3D252%26nbsp%3Bheight%3D157%26nbsp%3Bdata-mce-src%3D%22http%3A%2F%2Fmedia.cheggcdn.com%2Fmedia%252Fabe%252Fabe349ef-9429-4fd9-9e95-6aa70165de00%252Fphp27tdkI.png%22%3E%3C%2FP%3E%0D%0A%3CP%3EThe%26nbsp%3Bgraph%26nbsp%3Babove%26nbsp%3Bshows%26nbsp%3Bthe%26nbsp%3Bposition%26nbsp%3Bof%26nbsp%3Ba%26nbsp%3Bcar%2C%26nbsp%3Bin%26nbsp%3Bmeters%2C%26nbsp%3Bmeasured%26nbsp%3Bfrom%26nbsp%3Ba%26nbsp%3Bstoplight%26nbsp%3Bafter%26nbsp%3Bthe%26nbsp%3Blight%26nbsp%3Bturns%26nbsp%3Bgreen.%26nbsp%3BCalculate%26nbsp%3Bthe%26nbsp%3Baverage%26nbsp%3Bspeed%26nbsp%3Bof%26nbsp%3Bthe%26nbsp%3Bcar%26nbsp%3Bduring%26nbsp%3Bthe%26nbsp%3Bperiod%26nbsp%3Bfrom%26nbsp%3Bt%26nbsp%3B%3D%26nbsp%3B0.0%26nbsp%3Bs%26nbsp%3Bto%26nbsp%3Bt%26nbsp%3B%3D%26nbsp%3B20.0%26nbsp%3Bs.%3C%2FP%3EExplanation / Answer
average speed = total distance / total time
=> from graph total distance = 200 metres for t= 0 to t= 20 s .
=> average speed = 200 / 20 = 10m/s
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