Answers

2016-03-18T20:37:26+05:30
We know that power is work/time

so. 400=mgh/160 sec.
 m=200 kg and g=10m/s^2
h=400*160/200*10
h=32 meters 
 hope you got your answer
0
2016-03-19T13:42:47+05:30