14.) A car travels a distance of 15 km in 20 minute.
Find the speed of the car in km h-1
Answers
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0
Answer:
10 h 20 km the speed of the car in km 10
Answered by
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Answer:
GIVEN - S = 15km
t = 20min
To FIND - SPEED
SOLUTION -
1 min = 60 sec
20 min= ?
20× 60
1200 sec.
1 km = 1000 m
15 km= ?
15× 1000
15000m
Speed = Distance /time
= 15000/1200
= 3000/240
= 600/ 48
= 300/ 24
= 150/12
= 12.5 m/s
Speed = 12.5 m/s
speed in km/hr =
60 min = 1 hr
20 min= ?
20/60 = 1/3 = 0.33
Speed = 15/0.33
= 45.45 km/hr
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