AbdurrahmanH65983 AbdurrahmanH65983

03-11-2022
Physics

contestada

A machine raises an object of weight 1500 N through a distance of 5m. What is its efficiency if the energy input is 15 000 J?

Respuesta :

TafariU608406 TafariU608406

03-11-2022

We have:

W = weight = 1500 N

D = distance = 5 m

Energy input = 15000 J

Apply:

Efficiency= useful output energy / input energy

Work = weight x distance = 1500 N x 5 m = 7500 J (useful output energy )

Efficiency = 7500 J / 15000 J = 0.5 or 50%

Answer Link

Otras preguntas

What is the value of x?

why is non point source pollution of an aquatic ecosystem

energy transfers occur during collisions in chemical and nuclear reactionstrue or false

what is the main interference that can be drawn from Voltaires book treatise on toleration

Are the last two problems correct???

Which civil rights leader changed his name to kwame touré and moved to conakry, guinea?

Who believed that our personality traits are influenced by our genetic inheritance? question 12 options: a. carl jung and sigmund freud b. carl rogers and karen

+264=1,707 whats the addend

PLEASE HELP THIS IS LIKE THE 3RD TIME IVE ASKED AND IM NOT SURE WHAT THE ANSWER IS Which of the following made the scale of suburban growth possible? Question

37% of a certain country's voters think that it is too easy to vote in their country. you randomly select 12 likely voters. find the probability that the numb