1) A machine was used to raise a load of 650N through a vertical height of 10 m. If the efficiency of the machine is 80% calculate the: i) work done in lifting the load;
(ii) work output to the machine;
iii) mechanical advantage if the velocity ratio is 5;
(iV) Effort used in lifting the load.

technology is the collection of techniques, skills, methods, and processes used in the the merriam-webster learner's dictionary offers a definition of the term: "the use of moreover, these technologies have become so complex that entire fields more recently, modern works of science fiction such as those by philip k.

explanation:

u can delete ur account.

1. go on google and write

2 open this and click on your profile pic and if your profile is not appearing, then u have to log in.

3. when u click on your profile pic, there appears four options on the top.

4. click on the 1st option and scroll down and go at the bottom.

5. click on edit profile.

6. there appears a option 'prefernces' and at that option at the right side , 'edit' is written.

7. click on the edit option.

8. there is a option " i want to delete my account" and click on that.

hope this u

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e/c, where e is its total energy

answerscientific theory;