Question

An object starts from rest and attains a speed of 20 m/s in 20 seconds. What is the acceleration in this time duration ​

Answer 1

Answer:

Given : u=0 m/s v=20 m/ t=5 s

Using v=u+at

∴ 20=0+a×5 ⟹a=4 m/s 2

Explanation:

l hope it will help u ☺️✌️☺️

Answer 2

Answer

Correct option is

E

4m/s

2

Given : u=0 m/s v=20 m/s t=5 s

Using v=u+at

∴ 20=0+a×5 ⟹a=4 m/s

2