Question

if the velocity of car is 20m/s. what does it mean?

Answer 1

Answer: 4m/s

Explanation:

a) u=20m/s,

v=40m/s,

t=5s

a=  

t

v−u

​

 

=  

5

40−20

=  

5

20

​

=4m/s  

2