subject

Physics, 09.12.2021 16:10 apolloplays10

The mass of a hot-air balloon and its occupants is 362 kg (excluding the hot air inside the balloon). The air outside the balloon has a pressure of 1.01 x 105 Pa and a density of 1.29 kg/m3. To lift off, the air inside the balloon is heated. The volume of the heated balloon is 664 m3. The pressure of the heated air remains the same as that of the outside air. To what temperature in kelvins must the air be heated so that the balloon just lifts off

ansver

Answers: 3

Show answers

Another question on Physics

question

Physics, 21.06.2019 15:00

The functioning of an electron transport chain is analogous to a) a slinky toy going down a flight of stairs. b) a canoe going over a waterfall. c) a person climbing a flight of stairs one step at a time. d) a person leaping from the top to the bottom of a flight of stairs in one jump.

Answers: 2

question

Physics, 21.06.2019 22:30

Aforce of 200 n is applied to an input piston of cross-sectional area 2 sq. cm pushing it downward 2.8 cm. how far does the output piston of cross-sectional area 12 sq. cm move upward? show all work.

Answers: 1

question

Physics, 22.06.2019 02:00

The crank oa rotates in the vertical plane with a constant clockwise angular velocity ω0 of 5.6 rad/s. for the position where oa is horizontal, calculate the force under the light roller b of the 10.6-kg slender bar ab.

Answers: 2

question

Physics, 22.06.2019 08:30

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects

Answers: 2

You know the right answer?

The mass of a hot-air balloon and its occupants is 362 kg (excluding the hot air inside the balloon)...

Questions

question

Biology, 07.10.2019 17:20

The lac operon contains three genes: lacz, lacy, and laca for β‑galactosidase, galactoside permease, and thiogalactoside transacetylase, respectively...

question

Business, 07.10.2019 17:20

Patricia, 6, loves to decorate books by drawing pictures and putting in words to describe them. her ideas are more balanced now. she has started to an...

question

Business, 07.10.2019 17:20

Here are selected data for campbell company: cost of goods manufactured $320,000 work in process inventory, beginning 109,000 work in process invento...

question

Social Studies, 07.10.2019 17:20

What is autobiographical art? a. artwork expressing something about the artist's life. b.artwork that relates to the artists personal concept of self...

question

Business, 07.10.2019 17:20

Sweeten company had no jobs in progress at the beginning of march and no beginning inventories. the company has two manufacturing departments--molding...

question

Mathematics, 07.10.2019 17:20

Consider the differential equationdpdt= kp1 + c, wherek > 0andc ≥ 0.in section 3.1 we saw that in the casec = 0the linear differential equationdp/...

question

Business, 07.10.2019 17:20

Mid south auto leasing leases vehicles to consumers. the attraction to customers is that the company can offer competitive prices due to volume buying...

question

Business, 07.10.2019 17:20

Eight months ago, freda purchased 500 shares of stock on margin at a price per share of $35. the initial margin requirement on her account is 70 perce...

question

Computers and Technology, 07.10.2019 17:20

The defense against the dark arts professor is in charge of this and the previous homework assignment. in these 2 assignments, students are learning a...

question

Geography, 07.10.2019 17:20

The goal of the deep sea drilling project (dsdp) was to investigate the sediments and rocks beneath the deep oceans by drilling and coring. the data f...

question

Biology, 07.10.2019 17:20

1. why don’t microorganisms in cultures exhibit constant exponential growth? what are some steps you could take to extend the lifespan of a microbial...

question

Mathematics, 07.10.2019 17:20

Astudy was conducted of the trend in the design of social robots. in a random sample of 110 social robots, 65 were built with legs only, 20 were built...

question

Business, 07.10.2019 17:20

Ga u. s.-based company, stewart, inc., arranged a 2-year, $1,000,000 loan to fund a project in mexico. the loan is denominated in mexican pesos, carri...

question

Physics, 07.10.2019 17:20

Acollar with a pulley slides on a frictionless vertical bar gh. a string abcd is wrapped around the pulley, where portion ab of the string is horizont...

question

Computers and Technology, 07.10.2019 17:20

You are given an in? nite array a[? ] in which the ? rst n cells contain integers in sorted order and the rest of the cells are ? filled with 1. you a...

question

English, 07.10.2019 17:20

What does this passage reveal about the about the times defoe was writing about...

question

History, 07.10.2019 17:20

What would a low voter turnout rate in a presidential elections most likely suggest?...

question

Spanish, 07.10.2019 17:20

Read the sentence and select the term that it describes. un proceso de tratar el residuo para obtener un nuevo producto. a. el equipo de búsqueda y re...

question

History, 07.10.2019 17:20

Gambar berikut menunjukkanbunga emas yang dihantar oleh kerajaan kedah ke bangkok setiap tga tahun.mengapakah kerajaan kedah membuat pengh...

question

Chemistry, 07.10.2019 17:20

Given equal amounts of reactants in all cases, what change of state would require the largest input of energy?...

More questions: Physics Another questions

Questions on the website: 13722363