A lift is going up. The total mass of the lift and the passenger is 1500 kg. The variation in the speed of the lift is as shown in the figure. Find the tension in the rope pulling the lift at t = 11 th second.

Answer

(a) i) `1.8 m//s^(2)` , ii) 0 , iii)`-1.8 m//s^(2)` ; (b) 36 m ; (c) 0