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Question :
A bus is moving with a speed of 20 m/s . Calculate the distance travelled by it in 4 hours
Solution :
Speed (S) = 20 m/s
Time (t) = 4 h = 4 × 60 min
⇒ time (t) = 240 min
⇒ time (t) = 14400 s
Distance (D) = ? m
We know that , " Speed is defined as distance traveled for unit time "
➠ Speed = Distance / Time
➠ 20 = D/ 14400
➠ D = 20 × 14400
➠ D = 288000 m
➠ D = 288 × 1000 m
- 1 km = 1000 m
➠ D = 288 × 1 km
➠ D = 288 km
Distance traveled in 4 hours is 288 km
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Explanation:
bus speed =20m/s
timet=4hours=4 ×60×60 s= 14400s
distance=speed × time
=20 x14400 m
=288000m
=288km
therfore, the distance travelled by bus in 4 hours = 288km
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