The speed-time graph of an ascending passenger lift is given alongside. What is the acceleration of the lift:
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 ?
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(i) Acceleration during first two seconds = 4.6/2-0 = 2.3m/s2
(ii) Accleration between second and tenth second is zero, since the velocity is constant during this time.
(iii) Acceleration during last two seconds = 0-4.6/12-10 = -2.3m/s2
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