Question

- = ANO
7 m ( +a)=219-5 +
Example 21 A lift is going up. The total
mass of the lift and the passengers is 1500 kg.
sea is being
The variation in the speed of the lift is given by
rope, which
the graph shown in Fig. 3(a).23. What will be the
gwt. With
tension in the rope pulling the lift at (i) t = 1 s,
ter should
(ü) t = 6 s (iii) t = 11 s? What is the height to
ake g = 9-8
which the lift takes the passengers ? During the
course of entire motion, what is the average
velocity and average acceleration of the lift ? Take
g = 9.8 m/s2.
FIGURE 3(a).23
v(m/s)
n/s2
3.6+
D!
kg is
mum
, and
2
ts) 10
12​

Answer 1

Answer:

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Answer 2

Answer:

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