Question

A car starts from rest and acquires a velocity of 54 km/h in 2 sec

Answer 1

Answer:

7.5 m/s²

Explanation:

Given,

Initial velocity u = 0

Final velocity v = 54 km/hr

= 15 m/s

Time t = 2 sec

Calculation:-

i) The acceleration:-

Acceleration = Change in velocity / Time

a = (v - u)/t

= (15 - 0)/2

= 7.5 m/s² Ans.

Answer 2

Answer:

6oo.45

Explanation:

(a+b)