Question

If a car travels 80m distance in 4 sec with acceleration of 5m/s² .Then what is its initial velocity ?​

Answer 1

s = 80m

t = 4s

a = 5m/s²

From equation,

s = ut+½at²

80 = 4u +½×5×4²

80 = 4u +½×5×16

80 = 4u +40

80-40 = 4u

40 = 4u

u = 10m/s

Initial velocity of car = 10m/s

Cheers!

Answer 2

Explanation:

Check the attachment xD❤