- Displacement = 10 m
- Time = 5 s
- We know,
- Therefore, the car's velocity
The car's velocity is 2 m/s.
Hope you could get an idea from here.
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1 answer:
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Answer:
v = 80.48 km/h.
Explanation:
We have,
Acceleration of a train is 2 km/h/s or 7200 km/h²
Initial velocity of a train is 20 km/h
It is required to find the velocity after 30 seconds or 0.0084 h
Let v is the final speed. Using equation of kinematics as :
So, the final speed of the train is 80.48 km/h.