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 given in the graph. the height to which the lift takes the passenger is ............ $m$
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 given in the graph. the height to which the lift takes the passenger is ............ $m$
$3.6$
$8$
$1.8$
$36$
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 given in the graph. the height to which the lift takes the passenger is ............ $m$
Distance travelled by the lift $ = $ Area under velocity time graph
$ = \left( {\frac{1}{2} \times 2 \times 3.6} \right) + \left( {8 \times 3.6} \right) + \left( {\frac{1}{2} \times 2 \times 3.6} \right)$= $36m$