Megg101 Megg101

01-07-2017
Physics

contestada

If you have a device that has an energy efficiency of 0.4 and you put in 100 units of energy, how many units of useful energy will you get out of it?

Respuesta :

edogrulez edogrulez

01-07-2017

40 units of energy.

Answer Link

Otras preguntas

Find the sine of the smaller acute angle of a right triangle with side lengths of 6, 8, and 10.

I want to have a college fund for my daughter. She is 5, so I have 13 years to achieve my goal of $50,000. The bank says I can earn 2%. I have $5000 already set

An electron is traveling with initial kinetic energy K in a uniform electric field. The electron comes to rest momentarily after traveling a distance d. a. What

Aworker in charge of assembling a bicycle finds a faster way to mount the pedals. he turns to his supervisor. the supervisor explains that the process had been

1 Oil accounts for over 90% of Angola's exports, but the country must import over half of its food. Other countries in Africa, however, do not produce oil but a

How does Wiesel soften his criticism of the United States in this passage? O A. He takes the time first to compliment and praise Franklin D. Roosevelt O B. He m

Esteban is using similar triangles to calculate the height of a tree. The tree casts a shadow that is 56 feet long, while Esteban's shadow is 21 feet long. If E

Which of the following changes would increase the molar concentration of the products in any chemical reaction at equilibrium? decrease the pressure increase th

The remainder of the Declaration is a list of grievances the colonists had with the King of England. Read over these criticisms and identify, which if any would

Tobacco mosaic virus has RNA rather than DNA as its genetic material. In a hypothetical situation where RNA from a tobacco mosaic virus is mixed with proteins f