A car moves with the speed of 60km/h for 15 mins and then with the speed if 45 km/h got the next 30 mins. the total distance covered by the car is
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Explanation:
Solution:
(ii) 25 km
Speed (s1) = 40km/h
Time (t1) = 15 mins = (15/60) hr
Distance d1 = (s1 × t1) = 40 × (15/60) = 10 km
Speed (s2) = 60 km/h
Time (t2) = 15 min = (15/60) hour
Distance (d2) = (s2 × t2) = 60 × (15/60) = 15 km
Total distance (d) = (d1 + d2) = 10 km + 15 km = 25 km
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