work done
- Created by: Tylernilsen123
- Created on: 06-02-16 17:33
Other questions in this quiz
2. A 1200kg is being lifted by a crane through a height of 12m. The power supply for the crane is 230 v. the lift takes 15 secconds. -efficiency of the system is 35%. how much work is done ?
- 1200
- 10
- 1200x10x12=144000
- 12
3. What is the power needed ?
- 144000*15=9600
- 144000
- 678
- 9700
4. power needed and to do the work?
- 99999
- 9600*0.35=27428 w
- 9876
- 6789
Comments
No comments have yet been made