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Hannah
Questions (2,007)
A boat is crossing a river. The velocity of the boat relative to the water is 4.0 m/s directed perpendicular to the river's
1 answer
660 views
The gravitational force between two masses is 500N. What is the gravitational force if the masses are doubled and distance
0 answers
502 views
A motor cyclist travelling at 12m/s decelerates at 3m/s square
a) how long does he take to come to a rest b) how far does he
1 answer
2,446 views
Please show me how to do this step by step I would appreciate it
We add excess Na2CrO4 solution to 42.0 mL of a solution of
1 answer
678 views
please show me step by step how to do this so i can figure out the rest
We add excess Na2CrO4 solution to 42.0 mL of a solution
3 answers
568 views
Please help. mr trocki is the groundskeeper for a vacation resort. he has programmed the sprinkler system to run at night in
0 answers
481 views
mr trocki is the groundskeeper for a vacation resort. he has programmed the sprinkler system to run at night in three different
0 answers
461 views
The primary purpose of the scientific method is to
A. Solve problems B. Design experiments C. Make observations D. Publish
0 answers
511 views
an empty flask as a mass of 123.4 grams. When the flask is filled with water, the mass is 211.6 grams. If 10.0 grams of zinc
1 answer
2,035 views
Why may the absorbance of a filtrate be higher than it's theoretical concentration?
1 answer
395 views
A stone is dropped into a well of depth 11 m. How long after that, the sound of the splash can be heard? Given speed of sound
1 answer
2,425 views
A stone is thrown upwards from the roof with a velocity 15ms^-1 at an angle 30degree to the horizontal. The height of the
1 answer
602 views
A long jump athlete take off at 25 degree with the horizo and achieves a jumping distance of 9.12 m.
(i) calculate the initial
1 answer
1,201 views
Will addition of water to vinegar affect the determination of its concentration? Why?
2 answers
457 views
Water flows out horizontalmy at the end of a pipe at a height of 52 cm from the floor.If the horizontal distance before it hits
1 answer
699 views
Water flows out horizontalmy at the end of a pipe at a height of 52 cm from the floor.If the horizontal distance before it hits
2 answers
2,113 views
Did Dalton and Thomson believe that the atom was made of solid mass?
1 answer
484 views
if height is equal to 2.20m at exactly 9am, and then the height is equal to 1.7m at exactly 10am. At what approximate time will
1 answer
392 views
I need help on this portfolio project, I have to do a lab report on light refraction. The research question is "How does change
6 answers
2,430 views
11:58 is 3 mins slow. 12:05 is 3 mins fast. Which is the correct time?
1 answer
402 views
What is the definition of strategy?
2 answers
507 views
What would the volume be if the radius of a sphere is 16m?
1 answer
394 views
Find the area of the regular triangle with a perimeter of 36 cm. how do I do this?
0 answers
396 views
The perimeter of a rectangular garden is (3x + 12) feet. What is the perimeter of the garden in factored form?
2 answers
422 views
In a power plant the high pressure turbine trips due to an unauthorised valve shutdown. What are
a) what is the angular
0 answers
633 views
A post tree outside of matts house casts a 12 foot shadow at a certain time of day. At the same time matt, who is 6 feet tall,
1 answer
734 views
if the volume of a rectangular prism is 420 cubic units what is its vilume if one dimension is halved a second dimension is
1 answer
2,372 views
100 ml of 15 g/L silver nitrate reacts with an unknown concentration solution of copper (ll) chloride. the reaction for me only
1 answer
607 views
If you dissolve 3.5 moles of CaCl2 in a solution, how many moles of C+2 ions and C- ions will there be in the solution?
1 answer
2,197 views
In a survey of 300 college graduates, 58% reported that they entered a profession closely related to their college major. If 6
2 answers
5,024 views
According to a college survey, 22% of all students work full time. Find the mean and standard deviation for the number of
4 answers
24,371 views
An unprepared student makes random guesses for the ten true-false questions on a quiz. Find the probability that there is at
2 answers
1,198 views
Hello, can someone check my english answers?
The story: You have taken me prisoner with all my warriors. I am much grieved, for I
4 answers
1,435 views
14. the sun's layer is called the photosphere . ( 1point) A. true b. false
15. meteoroids can form when comets break apart ,
2 answers
1,287 views
Christopher made three and one fourth dozen cupcakes . He added vanilla icing to one third and chocolate to the rest . How many
1 answer
469 views
which of the following had the most impact on the drawing of modern borders in Southwest Asia? A.British Mandate B.tribal
7 answers
893 views
which piece of evidence supports a loosening of Islamic tradition in Saudi Arabia? A.the hijab B.the five pillars C.women
4 answers
602 views
why did zionists return to Israel to form a new nation? A.to escape persecution and anti-semitism B.to avoid fighting in world
1 answer
644 views
which of the following Nations has both the most stable democratic form of government and the highest standard of living?
3 answers
821 views
in which way are the government of Saudi Arabia and Oman most similar? A.their rulers are related B.they both have absolute
1 answer
653 views
what do Israelis and Palestinians most have in common? A.religious beliefs B.military strength C.political stability D.a
2 answers
657 views
who is more likely to be involved in political conflict in Lebanon? A.Christiananity or Sunni Islam B.hamas orthe PLO C.Shia or
6 answers
893 views
which of the following Nations has both the most stable democratic form of government and the highest standard of living?
2 answers
883 views
which religious principle has had the most impact on Jewish Christian and Islamic art? A.the belief in one God B.the messages of
4 answers
686 views
what immediate effect did the formation of Israel have? A.the transformation of Palestinian territories B.the rise of extremist
2 answers
636 views
why did zionists returned to Israel to form a new nation? A.to escape persecution and anti Semitism B.to avoid fighting in world
7 answers
577 views
which event contributed most significantly to the settlement of Muslim people in Israel? A.Exodus B.diaspora C.Holocaust D.world
16 answers
1,221 views
in what chronological order did the following religious groups control Islam? A.Judaism Islam Christianity Islam B.Judaism
9 answers
1,508 views
what is the greatest concern that Israel and its neighbors having common with arabia and Iraq? A.water scarcity B.oil prices
4 answers
684 views
which of the following is the biggest concern of neighbors of Israel? A.overpopulation B.urbanization C.ethnic diversity
3 answers
534 views
which of the following is the biggest concern of neighbors of Israel? A.overpopulation B.urbanization C.ethnic diversity
5 answers
617 views
why would Palestinians living in Jerusalem a difficult time traveling to the West Bank? A.they cannot cross national borders
3 answers
592 views
what do young Israelis and young Palestinians most likely have in common? A.religious devotion B.desire for peace and scarcity
2 answers
529 views
1.a modern train traveling at a constant speed around a circular track has a constant velocity true or false
2.which of the
2 answers
960 views
in which way are the government of Saudi Arabia and Oman most similar? A.their rulers are related B.they both have absolute
2 answers
512 views
why does oil bring wealth to Arabia and Iraq? A.abundance of wells B.low cost of production C.high global demand D.scarcity of
4 answers
871 views
to which country would you most likely move to observe strict Islamic law under fundaMentalist Regime? A.Saudi Arabia B.Iraq
2 answers
786 views
which piece of evidence supports loosening of Islamic tradition in Saudi Arabia? A.the hijab B.the five pillars C.women
5 answers
581 views
which of the following has the most impact on the drawing of modern borders in southwest asia? A.British Mandate B.tribal
5 answers
778 views
how did Islam mainly spread throughout the region? A.by imperial Command B.military strength C.via trade D.because of religious
8 answers
659 views
the scarcity of witch resource affects arabia and iraq the most
9 answers
718 views
in what economic sector is a migrant worker most likly to find work in arbia and iraq?
4 answers
700 views
witch physical feature covers most of arabia? a.the empty quarter b.the fertile crescent c.the zagros mountains d.the persian
9 answers
682 views
how does islam most affect women in public life in arabia? A.by keeping them from work B.by barring them from the vote C.by
7 answers
604 views
where do most people in south west asia live A.in cities, B.in rural river valleys, C.in the mountains, or D.in the desert
5 answers
713 views
Why did the creation of Israel cause conflict? A.Palestinians already claimed these lands. B.Arabs and Jews do not speak the
1 answer
958 views
Two arrows are fired horizontally with the same speed of 31.8 m/s. Each arrow has a mass of 0.149 kg. One is fired due east and
1 answer
1,529 views
Calcium Carbonate combines with Hydrochloric acid to produce Calcium chloride and water and carbon dioxide. I have the skeletal
1 answer
897 views
A bag contains 8 coins of £1, 7 coins of 50p, 4 coins of 25p and 3 coins of 10p. How many different ways can we take 6 coins
1 answer
598 views
What kind of reaction is occurring between potassium permanganate and cyclohexene? (I.e. Combination, double displacement, etc.
1 answer
995 views
2. Why were Native Americans forced to leave their lands during the 1830s?
a.) settlers wanted to settle the land b.) U.S.
5 answers
773 views
Based on context clues, what is the meaning of deemed in the following sentence?
The teacher deemed it necessary that all
17 answers
2,826 views
Which word in the following sentence is an adjective?
Jack trudged home through deep snow. (1 point) • trudged (this one) •
8 answers
2,399 views
Which word in the following sentence is an adverb?
Teresa smiled brightly as she and her younger brother looked for shiny shells
8 answers
2,556 views
MATRICES
What is the sum of [3/4 -2/-3]+[-5/3 -4/-2]? a. [-8/1 2/6] b. [-2/7 2/-1] c. [2/-7 6/5] d. [-2/7 -6/-5]** What is the
0 answers
352 views
What is the sum of [3/4 -2/-3]+[-5/3 -4/-2]?
a. [-8/1 2/6] b. [-2/7 2/-1] c. [2/-7 6/5] d. [-2/7 -6/-5]
4 answers
281 views
The scale balanced when n+20=80
Suppose the left side becomes n+3 How can I change the right side so that n+3=____ is equivalent
2 answers
1,478 views
A particle of mass 0.2kg is found to stretch a certain spring by 5.0 cm.
a. What is the force constant of the spring? b. By how
1 answer
945 views
A mass of .1539 kg. moves down a 5 meter ramp in 2 seconds. What is the velocity and the KE developed by the moving mass?
1 answer
899 views
Two sounds have measured intensities of I1 = 110 W/m2 and I2 = 330.00 W/m2. By how many decibels is the level of sound 1 lower
1 answer
595 views
The area of a rectangular field is 96m2. The length of one side is 12m. The farmer needs to know its perimeter to work out how
9 answers
1,523 views
A ______ might consider the compromises struck during the health care reform debate to be an example of lit interest groups each
7 answers
1,729 views
When a 1.3kg mass was attached to a spring, the spring stretched 21cm from its equilibrium position. The mass spring system was
1 answer
603 views
Hi.
I was asked to watch a video about the civil rights movement. and state 3 big ideas and to explain why I made them my 3 big
3 answers
606 views
In 250 mL of a 0.35 M solution of NaOH, there are how many grams of NaOH?
1 answer
801 views
The equilibrium constant for the reaction H2 + I2 --> 2HI, is 54 at 425 degrees C. If the equilibrium mixture contains 0.030 M
2 answers
1,395 views
How many mL of a stock 2.50M HCl solution are required to prepare 25.0 mL of a 0.15M HCl solution?
1 answer
472 views
A certain reaction has an equilibrium constant of 0.65. Calculate the constant for the reverse reaction.
1 answer
428 views
Find the slope of a line that passes through (-2,-3) and (1,1).
a. 1/3 b. 1 c. 2 d. 4/3 For the equation -4y=8x, what is the
1 answer
611 views
Identify the intermolecular attractive force(s) that must be overcome to vaporize CH3Cl(l).
1 answer
845 views
Compare and contrast the topics and themes of writers from the Americas and European writers.
1 answer
2,644 views
Start from 110 feet away, a person on a bicycle rides towards a checkpoint and then passes it. The rider is travelling at a
6 answers
5,803 views
1. 3x+10≥4
a. x≥-2 b. x≤ 2 c. x≤-2 d. x≥ 2 ** 2. The tennis team is selling key chains as a fundraiser. If its goal is
1 answer
1,583 views
Two hockey players traveling at 12 m/s (Player #1) and 19 m/s (Player #2) hit in a head-on collision. They grab onto each other
0 answers
1,237 views
Hi I really need help. I don't know even how to figure these two questions out so if you could help me, please.
Is (–4, 10) a
1 answer
462 views
How do I Calculate the concentration of iron(lll) with absorbance measurement. Wavelength is 480nm, solution is 1 ml FeCl3 : 9ml
3 answers
866 views
In the system shown in the figure, suppose the block has a mass of 2.7kg , the spring has a force constant of 500N/m , and the
0 answers
637 views
A rectangular region with one side against an existing building is to be fenced in. Assume that there is 150 ft of material
2 answers
647 views
Need help! The problem is: draw all the possible rectangles with a perimeter of 26 centimeters and whole number lengths of sides
1 answer
603 views
1.) describe the primary economic activity for each of the tree colonial regions: The new england colonies, the middle colonies
15 answers
1,819 views
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