asked 107k views
3 votes
A crane with output power of 200W will lift a 600N object a vertical distance of 4.0 meters in seconds

1 Answer

2 votes
1 w = 1N/s the change in total energy =mgh = 600*4 = 2400N. 2400N/200N/s = 12seconds
answered
User Manmohan Pal
by
8.6k points

Related questions

1 answer
5 votes
121k views
1 answer
2 votes
122k views
1 answer
2 votes
25.4k views