Question

A bus decrease it's speed from 1 point
80 km/h to 50 km/h in 4 sec.
Find the acceleration of the
bus? *
2.94 m/s2
2.08 m/s2
- 2.08 m/s2
- 2.94 m/s2​

Answer 1

Find- Acceleration [a]

$\huge\underline{\overline{\mid{\bold{\orange{Given-}}\mid}}}$

• Initial speed [u] = 80km/h = 22.22m/s

• Final speed [v] = 50km/h = 13.88m/s

• Time [t] = 4sec

$\huge\underline{\overline{\mid{\bold{\red{Solution-}}\mid}}}$

$a= \dfrac{v-u}{t}$

$a= \dfrac{13.88-22.22}{4} = \dfrac{-8.34}{4}$

$\boxed{a= - 2.08 m/s^2}$