plz solve it anyone
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total distance is 50 unit and
total time are = ( 5 + 5 + 10 + 20 ) 40 second
average speed = total distance/time
50
----- = 5/4 = 1.25 unit/second
40
total time are = ( 5 + 5 + 10 + 20 ) 40 second
average speed = total distance/time
50
----- = 5/4 = 1.25 unit/second
40
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