Question

a car increases its speed with uniform rate from 20 km/h to 50km/h in 10 sec ,average speed of car is​

Answer 1

Answer:

acceleration is given by the change in velocity wrt to time.

so the total change in velocity is 30km/s.

acceleration is given by taking care of Unit of the time and distance both =

$\frac{30 \times 1000}{10 \times 3600}$

$= \frac{1}{12}$

in m/s.