A park is 1500 meters long and 750 meters wide. A cyclist has to take four rounds of this park. How much time will he take at the speed of 4.5 km/h ?
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formula
2(l+w)
2(1500+750)
2× 2200
4400
Perimeter of park= 4400m
Total distance covered= 4400 × 4
= 17600 m
distance = 17600 m
speed = 4.5 km/h
45/10 × 5/18 = 45/36 m/s
Time taken = distance/ speed
17600 ×36/45 = 14080
My answer = 14080 sec
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