Question

a cyclist accelerate uniformly from 9 km/h ro 18 km/h in 3 second find the acceleratoin​

Answer 1

Answer:

rfer in attachment

Explanation:

hope it helps u

Answer 2

Answer:

0.83m/s²

Explanation:

using the formula v=u+at where v= final velocity, u = initial velocity, t = time and a = acceleration

v = 18 km/hr = 18 x 5/18 m/s = 5 m/s,

u = 9 km/ hr = 9 x 5/18 m/s = 2.5 m/s, t= 3 sec

v = u + at

or, a = (v-u)/t

or, a = (5 - 2.5)/3 = 0.83 m/s²