Question

Speed of a bus increases from 18km/h to 36km/h in 5 seconds. Find out the acceleration of the bus.

Answer 1

Formula we know is change in velocity divided by time taken is acceleration .
so
change in velocity is 36 - 18 = 18km/hrs
or 5m/sec.
time is 5sec
so acceleration is 1m/sec²

Answer 2

Hola!

Here is your answer


Given - Intial velocity = 18km/hr = 18 × 5/18


5m/s

Final velocity = 36km/hr = 5/18 × 36


= 10m/s

( We multiply it by 5/18 to convert km/hr to m/s)


Time taken = 5 seconds


To find - Acceleration

Calculation -

Acceleration = Final Velocity - Intial Velocity/ time


= 10 - 5 / 5

= 5/5

= 1m/s²


Acceleration = 1m/s²


Hope it helps!