subject

Physics, 27.09.2019 06:30 akemble8862

An engine exhausts 1140 j of energy for every 3790 j of energy it takes in. what is its efficiency?

ansver

Answers: 2

Show answers

Another question on Physics

question

Physics, 22.06.2019 02:30

Awave travels at a speed of 5.2 m/s. if the distance between crests is 0.40 m, what is the frequency of the wave? use f=v/wavelength a. 13 hz b. 2.1 hz c. 0.077 hz d. 5.6 hz

Answers: 1

question

Physics, 22.06.2019 04:30

True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.

Answers: 2

question

Physics, 22.06.2019 11:20

How to tell if a molecule is polar or nonpolar with electronegativity

Answers: 2

question

Physics, 22.06.2019 13:10

Aplane flying horizontally at an altitude of 1 mile and a speed of of 500mih passes directly over a radar station. find the rate at which the distance from the plane to the station is increasing when it is 2mi away from the station.

Answers: 1

You know the right answer?

An engine exhausts 1140 j of energy for every 3790 j of energy it takes in. what is its efficiency?...

Questions

question

English, 20.10.2019 04:30

The "prayer" or wishes that wordsworth makes for dorothy in the last stanza include: select all that apply. a. a continued joy in the external beaut...

question

Chemistry, 20.10.2019 04:30

Why are elements placed into families?...

question

Health, 20.10.2019 04:30

Dentify the two gases exchanged between the body and the air during respiration. explain how this gas exchange happens....

question

Mathematics, 20.10.2019 04:30

Choose all the expressions that are equal to 6 x 10...

question

Health, 20.10.2019 04:30

Efforts should be made at age to lower fat, saturated fat, and cholesterol intake to prevent the risks of chronic diseases. a. 10 ...

question

Chemistry, 20.10.2019 04:30

Electrical current or electrical discharge...

question

Mathematics, 20.10.2019 04:30

Perform the indicated operation. 4/11 ÷ 4/9...

question

Mathematics, 20.10.2019 04:30

Will give a brainliest if ur ! which rule would apply to the expression w^2w^3? a. addition rule b. power...

question

Physics, 20.10.2019 04:30

The particles in a nucleus are held together primarily by the (1) strong force (3) electrostatic force (2) gravitational force (4) m...

question

History, 20.10.2019 04:30

Which of the following statements would a byzantine opponent of iconoclasm most support? a. christian images should be destroyed, as they are idols....

question

Mathematics, 20.10.2019 04:30

The table shows a direct variation. what is the value of m

question

History, 20.10.2019 04:30

The bill of rights was created to address which of the following grievances outlined in the declaration of independence? lack of free tra...

question

History, 20.10.2019 04:30

Describe how german and italian aggression were changing the face of europe....

question

Mathematics, 20.10.2019 04:30

Given that y varies directly with x and that y = 60 when x = 20, find y when x = 12....

question

Business, 20.10.2019 04:30

A6-month put option on makler corp.'s stock has a strike price of $45 and sells in the market for $8.90. makler's current stock price is $41. what is...

question

Mathematics, 20.10.2019 04:30

The smallest candle has a radius of 0.5 inches and a height of 3 inches. the other two candles are scaled versions of the smallest, with scale factors...

question

Physics, 20.10.2019 04:30

The idea that life came to earth from a distant planet is called...

question

Mathematics, 20.10.2019 04:30

Calculating volume of a cylinder...

question

Biology, 20.10.2019 04:30

How can we drink a substance like coke and not be harmed by its ph?...

question

English, 20.10.2019 04:30

Is this poem written in first person? (i'm assuming yes because the author uses "us" in it. "life is a leaf of paper white whereon...

More questions: Physics Another questions

Questions on the website: 13722367