subject

Physics, 19.03.2021 14:50 MikeWrice3615

PLEASE HELP ME WITH THOSE 3 QUESTIONS 1) A motor outputs 1000 J of energy in a given amount of time. 100 J is used to turn a rotor. How much heat energy is gained by the air around the engine?

2) A virtual image is 3 meters behind a flat mirror and it is 2 meters tall. What is the height and distance from the mirror, for the object?

3) A concave mirror has a focal length of 1 meter. An object is 2 meters from the mirror. What is the image distance from the mirror?

ansver

Answers: 3

Show answers

Another question on Physics

question

Physics, 22.06.2019 16:10

To a of 4 x hz is 1. 0. mm nm nm

Answers: 1

question

Physics, 22.06.2019 18:50

Avertical clean glass piezometer tube has an inside diameter of d = 1 mm and is used to measure pressure in a horizontal pipe carrying water as shown. due to pressure in the pipe, the water at 20c rises into the tube to a height h. if the water pressure in the pipe is p = 500 pa gauge, estimate the height h: (a) without considering surface tension (b) with surface tension (capillary) effects. the contact angle  can be assumed at 30 deg

Answers: 2

question

Physics, 23.06.2019 00:30

Define the terms moral development and moral reasoning

Answers: 3

question

Physics, 23.06.2019 02:30

Bonds within one water molecule are examples of

Answers: 2

You know the right answer?

PLEASE HELP ME WITH THOSE 3 QUESTIONS 1) A motor outputs 1000 J of energy in a given amount of time...

Questions

question

English, 27.02.2021 20:50

Read the sentences. The explorers gazed across the vast expanse of the plains. Not a tree or house was visible for many miles. Based on t...

question

History, 27.02.2021 20:50

PLZZ HELP AN HURRY- WILL GIVE BRANLIEST Crop liens happened when loans were made to the farmer by a shop owner in exchange for a specified percentage...

question

Mathematics, 27.02.2021 20:50

Adult men have heights with a mean of 69.0 inches and a standard deviation of 2.8 inches. Find the height of a man with a z-score of 0.3929 (to 4 deci...

question

History, 27.02.2021 21:00

The US Constitution requires the census be conducted every ten years. After the conclusion of the census, the seats in the House of Representatives ar...

question

Mathematics, 27.02.2021 21:00

A football kicker is out on the field practicing kicks. The kickerer is trying to kick the ball over the goal post that stands at 10ft high and is 134...

question

Mathematics, 27.02.2021 21:00

Need help with this? ...

question

History, 27.02.2021 21:00

Changes made by the United States after World War II affected the agricultural system in Japan by...

question

Biology, 27.02.2021 21:00

¿Cuáles son los principales pasos que debieron de ocurrir en la evolución química hasta la formación de la primera célula?...

question

Physics, 27.02.2021 21:00

Help plz, answer all 1. What impact did Portugal have on Latin America? Is it still evident today? 2. How did African slavery change the cultur...

question

Mathematics, 27.02.2021 21:00

The numbers 5,4 can be lengths of sides of a triangle.(c) 10(d) 12(a) 8(b) 9...

question

Mathematics, 27.02.2021 21:00

For a floral arrangement class, Jayvon has to create an arrangement of twigs and flowers that has a total of 9 objects. Jayvon has to pay for the twig...

question

History, 27.02.2021 21:00

HEEL 1. How many people died in WWI? 2. What country did Austria-Hungary blame the murder on their Archduke? 3. Who made up the Central...

question

English, 27.02.2021 21:00

Type your response in the box. What's the main purpose of the text you just read about the debate team ? Write the purpose and your reasons for...

question

History, 27.02.2021 21:00

I HAVE 10 MINUTES LEFTT PLZZ HU WILL GIVE BRAILNIEST PLZ HELPP What was the "Shotgun Policy"? voter intimidation by shotgun

question

Biology, 27.02.2021 21:00

Which best describes the storage of the genetic code? A gene is a segment of DNA, a condensed DNA molecule makes up a chromosome, a chromosome is ins...

question

English, 27.02.2021 21:00

Read the following introductory paragraph for an explanatory essay: 1. The sun sets over the Pacific Ocean, a brilliant flaming orb that shoots fire...

question

English, 27.02.2021 21:00

In the book Night, What did Elie mean when he said, "I was the accuser, God was the accused." Explain....

question

Mathematics, 27.02.2021 21:00

What is the greatest integer $x$ for which $\frac79 > \frac{x}{13}$?...

question

Mathematics, 27.02.2021 21:00

I gave up on thinking whats 180-56 and 180-132...

question

History, 27.02.2021 21:00

Please help me I don't wanna fail and I don't know why this is so hard to me but it is. (Please don't do it for the points) (HELP ASAP)

More questions: Physics Another questions