Question

diagram shows information about 70 seconds journey of a car. find declaration of car between 60 to 70 seconds​

Answer 1

For last 10s

v = 0 m/s

u = 20 m/s

t = 10 s

.°. a

= (v - u)/t

= (0 - 20)/10

= -20/10

= -2 m/s²