Question

a car moves with a speed of 40 km per hour for 15 minutes and then with a speed of 60 km per hour for the next 15 minutes calculate the total distance covered by the car

Answer 1

hey
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speed =distance/time
speed * time = distance
0.04*900m/s
=36m/s

speed = distance/time
speed* time=distance
0.06*900m/s
=54m/s

total distance = ( 36+54) = 90 m

hope helped
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Answer 2

Hey friend refer the above attachment....




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