03. The speed-time graph for ascending passenger lift is given below.
What is the acceleration of the lift :
6) During 1 and 4 seconds?
(6 between 4 and 10 seconds?
(8) between 10 and 16 seconds?
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Explanation:
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Explanation:
(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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