Question

Qns. 11
An object comes to rest from a speed of 36 km/h within 10 seconds. it's acceleration is​

Answer 1

Answer:

-1 m/s²

Explanation:

Initial velocity (u)= 10 m/s (36km/h × 5/18)

Final velocity (v) = 0 km/ h = 0 m/s

Time (t) = 10 sec

Acceleration (a) = (v-u) / t

= (0-10) / 10

= -1 m/s²