Questions Asked on
April 17, 2020

Physics
After being closed for a long time, the switch S in the circuit shown in the figure below is thrown open at t = 0. In the circuit, emf = 24.0 V, RA = 4.10 kΩ, RB = 6.80 kΩ, and L = 608 mH. (a) What is the emf across the inductor immediately after the

Programming
in the following structural description which block is digital systems

physics
explain briefly why a razor blade floats in water and when soap solution is carefully added to the water it sinks

Maths
A hemispherical tank of diameter 10cm is filled by water issuing from a pipe of radius 20cm at 2m per second . Calculate , correct to three significant figures in minutes it takes to fill the tank

world history
Review the passage. “Not through speeches and majority decisions will the great questions of the day be decided … but by iron and blood.” –Otto von Bismarck, 1862 Which most accurately examines how Bismarck applied the principles expressed in the

chemistry
What is the Ksp of Lead II Fluoride if the lead and fluoride ions have molecular concentrations of 4.8 x 104 M and 8.7 x 103 M respectively in a saturated solution at 25oC? Please show work. I don't even know where to start.

Physics
A 2.9 kg block slides with a speed of 2.1 m/s on a friction less horizontal surface until it encounters a spring. (a) If the block compresses the spring 5.6 cm before coming to rest, what is the force constant on the spring? (b) What initial speed should

algebra
The number of pieces of popcorn in a large movie theatre popcorn bucket is normally distributed, with a mean of 1720 and a standard deviation of 20. Approximately what percentage of buckets contain between 1680 and 1760 pieces of popcorn? a.approximately

Physics
At one instant, a current of 8.0 A flows through part of a circuit as shown in the figure below. Determine the instantaneous potential difference between points A and B if the current starts to decrease at a constant rate of 1.0 ✕ 102 A/s. (Assume that R

Math
Suppose that X, Y, and Z are independent, with E[X]=E[Y]=E[Z]=2, and E[X2]=E[Y2]=E[Z2]=5. Find cov(XY,XZ).

probability
Let 𝑋 and 𝑌 be independent positive random variables. Let 𝑍=𝑋/𝑌 . In what follows, all occurrences of 𝑥 , 𝑦 , 𝑧 are assumed to be positive numbers. 1. Suppose that 𝑋 and 𝑌 are discrete, with known PMFs, 𝑝𝑋 and 𝑝𝑌 .

Math
A right prism whose bases are regular nonagons. Find the measure of the dihedral angle between adjacent lateral faces.

Math
(9,270) What are the rectangular coordinates of the same point

Math
Kiera has two pieces of rope, one 120 inches long and the other 64 inches long. For a project, she needs to cut them up to produce many pieces of rope that are all of the same length, with no rope left over. What is the greatest length, in inches, that she

History
Which of the following best characterizes interest groups in Texas?

Math
Laura is three times as old as Luci. In 5 years, the sum of their ages will be 30. What are the current ages of Laura and Luci? I need help!!

Physics
What will be the amount of energy released when 0.5kg of uranium is burned completely

Physics
A car is uniformly accelerated at 1.10m/s 2 for 12.0s. If the final speed of the car is 33.4m/s, find the initial speed.

English
A piece of writing following the Rogerian method will most likely adopt a __________ tone. A. fair, non judgmental B.agreeable, likeminded C. combative, nonconcillatory D. objective, disinterested

English
Hi! I would like to know some PLOT TWISTING events in the story Walk Two Moons! If I could have at least one example directly from the story I will be very great full! Thanks!

Math
Determine the value of k if 2x+1 is a factor of kx^3+7x^2+kx3

Math
Julia earned money babysitting. She spent 1/4 of the money on lunch. She spent 1/2 of the money on a DVD, and she saved $4. How much money did Jia spend on the DVD?

chemistry
The following reaction: SO2 (g) SO3 (g) + NO (g) having reached a state of equilibrium, was found to contain 0.40 M SO3, 0.30 M NO, 0.15 M NO2, and 0.20 M SO2. Calculate the equilibrium constant for this reaction. Describe the direction ad extent of a

Math
1. The length of a micrometer is approximately 0.00003937 inch. How would you express this in scientific notation? A. 0.3937 * 10^4 ** B. 3.937 * 10^5 C. 39.37 * 10^6 D. 3937 * 10^8 2.Write each number in either scientific notation or standard

algebra 2
You are depositing $1000 in a savings account at 6% annual interest rate, compounded continuously. What will the balance be after 5 years? Round your answer to the nearest hundredth.

Math
Determine the measure if the interior angle at vertex A. ——————— 4x 4x 4x 4x 2x 2x

Math
For y = 25, what is the estimated value of x, from the following data x 11 12 15 16 18 19 21 y 21 15 13 12 11 10 9

Math
Find the arc length and leave answer in terms of pi. 13.An arc with a central angle is 184 degrees and radius 8m

Physics
A series RC circuit contains two resistors and two capacitors. The resistors are 49 Ohms and 56 Ohms. The capacitors have capacitive reactances of 80 Ohms and 40 Ohms. When calculating the circuit values, the total resistance used is

Math
Alex has 7 pizzas he wants to share equally with 10 friends.how much pizza will each friend revive

math
A spinner is divided into equal parts 1 – 5. George spun the spinner 30 times. A table of outcomes is shown. Based on the table, what is an experimental probability of the spinner landing on an even number?

chemisty
If our actual yield from this reaction was 12 grams of sodium chloride (NaCl), what would our percent yield for this reaction be?

social studies
1 Which statement about Lester Maddox is not true 2 Mr.Robertson is a segregationist which statement most likely reflect his beleife 3 Based on the statement above,why did some Americans relocate from the Northeast and Midwest to settle in Georgia. 4 What

science
Aquatic plants that float on water in a pond can reproduce rapidly, covering the surface of the pond. These aquatic plants can impact the oxygen levels in the pond when when they die. Sometimes the oxygen levels are so severely impacted that there is no

Science
Why are Calgary's water treatment plants located upstream from its wastewater treatment plants?

Math
Insurance companies make profit by: A. charging consultation fees to the insured. B. charging underwriting fees from insurance agents. C. paying out less than the sum of the premiums and the earnings on them. D. giving less than the amount mentioned in the

social studies
why did the growth of trade and industry weaken feudalism

Science
What 3 things bend/refract light and how? Also, what three things reflect light? Thanks if you can answer!

Geometry
I use the construction tool a lot in my class, and I was wondering how to use it to construct a rectangle that has a length that is two times the measure of its width. Please help me, and kind regards.  John

Math
when you use a (____)you pay for purchases later 1 credit card

Math
Hi me again. a (_____) name includes information about how well you manage money 1 credit card 2 checking account 3 work study programs 4 credit history

English
what do trees symbolize in the poem "almost summer sky"

Geography
People empowered to enforce a city's laws are the

home life
what is home life about? i saw it in an elective option and i don't know what you do in it, but it seems interesting

physics
3. A metre rule is balanced by masses 100g and 25g hanged at 0cm mark and 100cm mark respectively. If the metre rule has a mass of 40g, determine the position of the pivot for the system to be balanced. (3marks)

math
How do i plot this graphic quadratic equation y=x^28x+12.I have tried but i end up failing.Please help me and explain in detail plz help out.

Science
Why does beta particle has different notation of nucleon number in spontaneous decay of tritium vs. beta decay of uranium 237?

Social Studies
Describe the means by which Spain attempted to defend and spread Catholicism at home and abroad. Can you provide any links that would help me answer this question?

Social Studies
Describe the contributions of Greek, Jewish, Muslim, and Renaissance scholars to the Scientific Revolution.

Social Studies
Explain how the Peace of Augsburg, the Edict of Nantes, and the Peace of Westphalia all strengthened secular rulers.

Math
three variable are missing a+b+c=0, a²+b²+c²=3, and a⁴+b⁴+c⁴=? And a^5+b^5+c^5=10

Physics
At one instant, a current of 8.0 A flows through part of a circuit as shown in the figure below. Determine the instantaneous potential difference between points A and B if the current starts to decrease at a constant rate of 1.0 ✕ 102 A/s. (Assume that R

Math
You need to feed your pet crab who lives under water. To do you, you will attach the food (which we assume has 0 mass) to the bottom of a cylindrical buoy dropped (at rest) from a height of 0.5 meters. The buoy must be made from a material which has 1/3rd

Math
A batting cage is designed by gluing a baseball to a springmassdashpot system so that the ball is returned to the batter. The weight has mass 0.5kg which is attached to a spring which is stretched 2 meters by a force of 8 Newtons. Suppose the ball starts

Math
Consider an undamped springmass system with mass 3 kg and a spring which is stretched 1 meter by 5 Newtons. Suppose an oscillating force 3 cos(ωt) is acting on the system. What value of ω causes resonance? For this value of ω, find a formula for x(t),

PE
Mention four facts and fallacies about female participation in sports

Math
Consider a massspringdashpot system with mass 5kg, a spring which is stretched 3 meters by a force of 10N, and a dashpot which provides 4N resistance for each m/s of velocity. The mass is also acted on by a periodic force 5 cos(ωt) for some number ω.

Maths
1/(√71)1/(√73)=a+b√c [√73(√71)]/(104√7)=a+b√c (13)/(104√7)=a+b√c 2/2(52√7)=a+b√c 1/(52√7)=a+b√c (5+2√7)/(2528)=a+b√c (5+2√7)/3=a+b√c 5/3+2/3√7=a+b√c a=5/3 b=⅔ c=√7/3 Is this correct

Math
A right hexagonal prism is enlarged by a scale factor of 5.7 a) Determine the value of Volume of Large Prism over the Volume of the small Prism Do Not Round b) Determine the value of Surface area of Large Prism over the Surface area of Small Prism Do Not

Physics
Why is electric force more than electric field strength?

Physics
A stream of water strikes a stationary turbine blade. The incident water stream has a velocity of +18.0 m/s and the exiting stream has a velocity of –18.0 m/s. The water strikes the blade at a rate of 25.0 kg/s. Find the net force acting on the water and

Math
Lorie spent 3/5 of her money on gifts for Luann and Joan. Luann’s gift cost 3 times as much as Joan’s gift. If Lorie had $12 left after she made her purchases, how much did Luann’s gift cost?

Algebra
Simplify the product using the distributive property. (3p + 2)(5p  1) simplify the product (2y  5) (3y + 1) can someone help point me in the right direction, with this COVID19 going around i havent had much time for school, and now it started back up

physics
1. The volume of a gas is 10.0 liters and its pressure is 1.5 atm. If the pressure is decreased to 0.75 atm, what is its new volume? 2. The pressure of a gas is 100.0 kPa and its volume is 500.0 ml. If the volume increases to 1,000.0 ml, what is the new

Math
The sample space for a roll of two number cubes is shown in the table (1,1) (1,2) (1,3) (1,4) (1,5) (1,6) (2,1) (2,2) (2,3) (2,4) (2,5) (2,6) (3,1) (3,2) (3,3) (3,4) (3,5) (3,6) (4,1) (4,2) (4,3) (4,4) (4,5) (4,6) (5,1) (5,2) (5,3) (5,4) (5,5) (5,6) (6,1)

math
Which describes the system of equations below? y= 4x 4/9 y= 7/2x +3/7

chemistry
Please help!! Predict whether N2(g) + 3H2(g) ⇌ 2NH3(g) is spontaneous at 773.15 K. Assume: ∆H = 92.22 kJ and ∆S = 198.75 J/mol·K. Describe all components. Show work please!!

Math
Nina is putting bottles and cans in bags to take to a recycling facility. She puts bottles in bags of 12 and cans in bags of 15, with no partially filled bags. While counting up the cans and bottles, an employee at the recycling facility points out that

math
what is the algebraic expression for the following word phrase the quotient of 7 and the sum of 9 and z a. 7/9+7z b.7(9+z) c.7/9z d.7/9+z

Math
Terry’s monthly allowance is $48. She puts 1/2 of her allowance into savings and gives 3/4 of the remaining money to a local charity. How much money does Terra have left for herself each month?

Math
Jill is making bread for a large group of people. 5/6 of a pound of flour only accounts for 3/7 of the recipe. How many pounds of flour is needed for the entire recipe?

English
list some important ideas that Walk Two Moons include. Why did you choose those ideas? I would say some important ideas are the characters maybe? I am very confused. Any advice or help on this? It would be much appreciated! :)

History
What is the “crack problem” Gorbachev faced in the late 1980s? Why did he face this problem?

math
what is the algebraic expression for the following word phrase the quotient of 3 and z a.3/z b.3/3z c. 3z d. 3 z

algebra
Rearrange terms into the slopeintercept form.

Physics
Determine the impact speed of an out of control satellite initially at rest falling from an altitude of 5×10^5m above the Earth’s surface. Can someone please guide me on how to complete this problem. I don't understand how to apply escape velocity to

English
Diagram the Following Sentences. Omit the ordinary prepositional phrases and singleword modifiers. We Found what we needed for the play. Terry, does Charles plan to give Nancy the money after class?

Physics
Which has higher wavelength 380nm or 780nm?

Math
Jill made 12 bows. She used 1/3 meter of ribbon for each bow. How much ribbon did she use altogether? a.3/z b.3/3z c. 3z d. 3 z

Social Studies
Use examples from the history of Texas and the experiences of the Mormons to illustrate how geography, conflict, and new ideas change the way people live.

Social studies
How did Lincoln's election split the nation?

Math
There is 1/2 of a candy bar that needs to be divided evenly among 3 children. What fraction of the total candy bar will each child receive?

science
planets in our solar system travel in their own orbital paths around the sun. what causes the planets to continuously orbit the sun instead of floating away into space? help please

Math
Find the circumstance. Leave your answer in terms of pi. 12. A semicircle with a diameter of 25 mi

PE
Which sport does not utilize dribbling?

Social studies
How did each side argue for and against the rights of states to secede from the Union?

Math
A factory that makes gaming systems selects 100 random systems to check for defects. They find that 3 of the gaming systems were defective and had to be discarded. How many gaming systems out of 1500 should the factory predict will be defective?

math
Given: ΔBUG ~ ΔBAN, BU = 8 in , UA = 4 in and AN = 24 in. Find the length of GU.

Math
If a data set has many outliers, which measure of central tendency would be the BEST to use? A) mean B) median C) mode D) range

math
A 13foot ladder is placed against a vertical wall of a building, with the bottom of the ladder standing on level ground 12 feet from the base of the building. How high up the wall does the ladder reach?

English
Dot a dot dot dot a dot dot Spotting the windowpane. Spack a spack speck flick a flack fleck Freckling the windowpane. A spatter a scatter a wet cat a clatter A splatter a rumble outside. Umbrella umbrella umbrella umbrella Bumbershoot barrel of rain.

Social studies
How did each side argue for and against the rights of states to secede from the Union?

Math
What is the quotient of 1/4÷4?

Math
What is the product of 7 and 12? 84 84 74 74 PLzzz answer asap!!

biology/science
Aquatic plants that float on water in a pond can reproduce rapidly, covering the surface of the pond. These aquatic plants can impact the oxygen levels in the pond when when they die. Sometimes the oxygen levels are so severely impacted that there is no

Science
White nose syndrome (WNS) is a disease found in bats. The disease, first detected in bats during the winter of 2006, is characterized by the appearance of a white fungus on the nose, skin, and wings of some bats, which live in and around caves and mines.

Math
Name the point with the given coordinates (4, 2).

social studies
How did the Democratic Party’s support of the Civil Rights Act of 1964 lead to a change in its membership?

Spanish
how do you say the shoe store or shoe store in Spanish

math
Solving Equations with Integers which of the following could be represented by 8 A.a drop of 8 meters B.8 Tshirts C.sea level in 8 places of the world D.8C above 0 PLZZ I NEED HELP FAST !!!!!!!!!!

Math
in a football game, a penalty of 15 yards was applied to a gain of 43 yards, what is the net gain? 58yards 32yards 28yards 18yards

Math
A full bottle hold 1/4 gallon of juice if 3/5 of the juice has been poured out how much juice is left in the bottle?

Math
Please help find the next 3 numbers in the pattern. 3,2,5,7,19,26 We can’t figure out the pattern.

Math
Determine an equation in simplified form, for the family of quartic functions with zeros 3 (order 2) and 2±√3

English
Consider the feminist principles present in “A Room of One’s Own” by Virginia Woolf. How do you think Woolf’s ideals influenced modern feminist thought? Write 3–5 sentences comparing feminism in the time of Virginia Woolf and today. What has

math
Choose 5 ordered pairs whose first component is the opposite of the second component. Plot these points and connect them. What kind of figure do you get? In what quadrants does the figure lie?

geography
Why is the Korean Peninsula considered one of the most dangerous regions of the world

Algebra
Solve 4x+8^2=0