A train accelerates from 36 km h to 54 km h in 10 sec. Find acceleration
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Answer:
The acceleration is 0.5 m/s^2
Explanation:
The formula for acceleration is:
Increased Velocity - Starting Velocity / Time
= 54 km/h - 36 km/h / 10 sec
= 18 km/h / 10 sec
As the time is in seconds, the speed should be in m/s.
18 Km/h = 18 Km/3600 sec = 18000 m/ 3600 sec = 18000/3600 m/s = 5 m/s
= 5 m/s /10 sec = 0.5 m/s/s or 0.5 m/s^2
The car increases its speed 0.5 m/s every second
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