The speed-time graph of an ascending passenger lift is given alongside.
What is the acceleration of the lift :
(i) During the first two seconds?
(ii) between second and tenth second?
(iii) during the last two seconds?
(i) the acceleration of the lift during the first two seconds is2.3 m/s2
(ii) the acceleration of the lift between second and tenth second is Zero
(iii) the acceleration of the lift during the last two seconds is2.3 m/s2