Que- A bus increases its speed from 72 km/h to180 km/h in 10 seconds. Its acceleration is?
a} 6 metre per second square
a} 5 metre per second square
a} 3 metre per second square
a} 8 metre per second square
Answers
Answered by
50
Given :
- A bus increases its speed from 72 km/h to180 km/h in 10 seconds.
To Find :
- Acceleration of the body .
Solution :
Using Formula :
Putting Values :
_______
Acceleration :
- It is defined as the rate of change of velocity of the object .
Formula of Acceleration is :-
Here :
v = Final Velocity
u = Initial Velocity
t = time taken
______
Answered by
0
- Initial velocity (u) = 72km/h × 5/18 = 20m/s
- Final velocity (v) = 180km/h × 5/18 = 50m/s
- Time (t) = 10s
- Acceleration (a) = ?
Therefore
- The answer is 3m/s^2
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