a bus travels a total distance of 225km in 5 hours .find its average speed
Answers
Answered by
35
Answer:
By definition, the average speed is equal to the total distance divided by the total time of trevelling. Thus:
v = 225km/5hr
=45 km/h
Answer. 45 km/h.
Explanation:
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Answered by
9
Answer:
Total distance travelled = 225 km.
Total time taken = 5 hours.
Hence, Average Speed = Total Distance/Total Time.
⇒ Avg. Speed = 225/5
⇒ Avg. Speed = 45 km/hr
⇒ Avg. Speed = 12.5 m/s
Some Important Terms and Formulas :
- Distance is the total length of the path travelled by a body.
- Displacement is te shortest distance between the initial position and the final position of the body.
- The instantaneous velocity at time t is v(t) that is the limit of the average displacement, between t and t + Δt, as Δt approaches 0.
- The instantaneous acceleration at time t is a(t) that is the limit of the average velocity, between t and t + ∆t, as ∆t approaches 0.
- So, Instantaneous velocity = dx/dt.
- And, Instantaneous Acceleration = dv/dt.
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