subject

Physics, 19.09.2019 19:50 deepspy599otchpd

Mary starts from her house, walks 80 meters south, and stops to chat with her aunt on the sidewalk. after chatting for a few minutes, she walks 125 meters to the west to meet a friend and then walks 45 meters north with her friend to a cafe for lunch. overall, she takes 10 minutes to do all this. what is mary’s average speed?

ansver

Answers: 2

Show answers

Another question on Physics

question

Physics, 22.06.2019 05:30

Suppose you have three polarizing filters, with the second at an angle of 42∘ to the first and the third at an angle of 90∘ to the first. by what perfect will the original intensity of unpolarized light be reduced to after passing through all three filters?

Answers: 2

question

Physics, 22.06.2019 06:00

Complete the statement about memory improvement. ( )involves organizing and breaking down information into easier groups to expand capacity. rehearsal is the verbal repetition of information. these techniques are especially important for the improvement of ( ) memory.

Answers: 1

question

Physics, 22.06.2019 13:10

A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)

Answers: 3

question

Physics, 22.06.2019 15:10

What does si stand for,when referring to a system of measurement

Answers: 1

You know the right answer?

Mary starts from her house, walks 80 meters south, and stops to chat with her aunt on the sidewalk....

Questions

question

Mathematics, 12.10.2019 02:10

Abakery's old cookie cutting machine can cut 45 cookies in 30 minutes. a newer machine cuts 120 cookies per hour. which statement best compares the pr...

question

Biology, 12.10.2019 02:10

3. how are populations, ecosystems, and communities related? (1 point) a community consists of an ecosystem and its physical environment, and a...

question

Geography, 12.10.2019 02:10

Compare the physical features of canada with the place where you live. in what ways is it the same? in what ways is it different? write your answer...

question

Mathematics, 12.10.2019 02:10

A2 foot stick is perpendicular to the ground. it cast a 3.5foot shadow at the same time a near by water tower cast a shadow that is 308 foot long. how...

question

Mathematics, 12.10.2019 02:10

Na vila de cima, a feira realiza-se de 14 em 14 dias e na vila de baixo de 35 em 35 dias. sabendo que as duas feiras coincidiram a 1 de julho, em que...

question

Social Studies, 12.10.2019 02:10

All of the following were part of the confucian social order except loyalty to the ruler filial obedience to ones father respect for...

question

Business, 12.10.2019 02:10

An important insight of international trade theory is that when countries exchange goods and services one with the other, it a. is typically beneficia...

question

Physics, 12.10.2019 02:10

Your forehead can withstand a force of about 6.0 kn before fracturing, while your cheekbone can only withstand about 1.3 kn. a. if a 140 g baseball st...

question

Physics, 12.10.2019 02:10

Does salt water freeze at a lower temperature than tap water?...

question

Mathematics, 12.10.2019 02:10

The mean hours of sleep that students get per night is 5 hours, the standard deviation of hours of sleep is 1 hour, and the distribution is approximat...

question

Business, 12.10.2019 02:10

The law of supply indicates that, all else held constant, rev: multiple choice a. producers will be willing and able to offer more of a product at hi...

question

Business, 12.10.2019 02:10

The president of deal corp. wrote to boyd, offering to sell the deal factory for $300,000. the offer was sent by deal on june 5 and was received by bo...

question

Mathematics, 12.10.2019 02:10

Aship at position (1, 0) on a nautical chart (with north in the positive y direction) sights a rock at position (7, 5). what angle θ does this vector...

question

Engineering, 12.10.2019 02:10

Which of the following was a difference between life in england and in the british north american colonies? a. the right to vote was more widespread...

question

Social Studies, 12.10.2019 02:10

The national environmental policy act (nepa) a. altered the amount of chemicals allowed in water as a result of industrial pollution b. required envi...

question

Business, 12.10.2019 02:10

Consider an economy that produces only chocolate bars. in year 1, the quantity produced is 3 bars and the price is $4. in year 2, the quantity p...

question

Mathematics, 12.10.2019 02:10

On a map, 90 miles is represented by 3 inches. a measure of inch on the map would represent a0 miles....

question

Mathematics, 12.10.2019 02:10

The diagram shows the plans for the triangular part. how much longer is bc then ac

question

English, 12.10.2019 02:10

Select words from the drop-down menus to correctly complete the relative clauses. florida, many beautiful beaches have made it a tourist...

question

Mathematics, 12.10.2019 02:10

Find the unit rate. 247 heartbeats in 612 minutes...

More questions: Physics Another questions

Questions on the website: 13722367