Question

the velocity of a car is increasing from 25 kmph to 30kmph in one second and from 30 kmph to 35 mph in next second then acceleration of the car is how many kmph per second​

Answer 1

Given u=20km/hr= 950m/s , v=3km/hr= 975 m/s

Using v=u+at ⇒

975= 925 +a×10

⇒a= 185

=0.2778 m/s 2