# 1.3 /73.814 In significant digit notation, divid, and the answer to two significant digits. I will be happy to critique your work

71,152 questions, page 506-
## physics

A 52 kg skier is at the top of a slope, as in the figure. At the initial point A, the skier is 17.7 m vertically above the final point B. The acceleration of gravity is 9.81 m/s2 . Find the difference in gravitational po- tential energy associated with the

*asked by carlos on December 15, 2010* -
## physics

A 52 kg skier is at the top of a slope, as in the figure. At the initial point A, the skier is 17.7 m vertically above the final point B. The acceleration of gravity is 9.81 m/s2 . Find the difference in gravitational po- tential energy associated with the

*asked by carlos on December 15, 2010* -
## Physics waves

1. A vibrating point on a spring travels 60 mm during three cycles. What is the amplitude of the vibration? a) 0.05 mm b) 5.0 mm c) 15.mm d) 20.mm e) 180 mm my answer: I got 10 mm but it is not listed as an option 2. When a tuning fork of unknown frequency

*asked by Liz on April 30, 2014* -
## chem

HOw much energy is required to heat 36.0g H2O from a liquid at 65C to a gas at 115C? The following physical data may be uselful. Hvap=40.7kJ/mol C liquid=4.18 C gas=2.01 C solid= 2.09 T melting=0 C T boiling=100 C The answers about 87.7 kJ However I'm not

*asked by natash on May 11, 2008* -
## MATH

For what integer 0

*asked by intermediate player PLEASE HELP on May 14, 2013* -
## pre-calc

A ball is dropped from the top of a 25-m ladder. In each bounce, the ball reaches a vertical height that is 3/5 the previous vertical height.Determine the total vertical distance traveled by the ball when it contacts the ground for the sixth time. Express

*asked by Anonymous on July 7, 2016* -
## physics

A 52 kg skier is at the top of a slope, as in the figure. At the initial point A, the skier is 17.7 m vertically above the final point B. The acceleration of gravity is 9.81 m/s2 . Find the difference in gravitational po- tential energy associated with the

*asked by carlos on December 15, 2010* -
## Language Arts

Which statement best describes a utopian community? A. People band together to share resources and duties equally. B. Resources are distributed in accordance with one's status in the community. C. People who work hardest earn the most money and have the

*asked by Dove on May 1, 2015* -
## math

Dr needs 500 needles priced at 2.60 per hundred. She pays with 10 days, she receives a 2% disc; sales tax is 5.5%. What amount would you pay with discount? Is my math correct? 2.60x500=$1300.00 $1300.00x2%=$26.00 $1300.00-26.00=$1274.00w/disc My answer is

*asked by FROGG5 on May 8, 2010* -
## physics

*asked by carlos on December 15, 2010* -
## Early Child Ed.

Please help! During class fingerpainting activity, Doresha appeared perplexed by the teacher's question,"What are you doing, Doresha?" Doresha did not respond quickly or with ease. Which one of the following could NOT be a reason why this eventcast posed a

*asked by Anonymous on November 5, 2007* -
## American government check my answer

5. Which of the following are examples of discriminatory laws passed by the U.S. government that impacted those depicted in the photo? Select all that apply. (2 points) Chinese Exclusion Act Civil Rights Act of 1965 Immigration Quota Act DREAM Act my

*asked by Anon on May 18, 2017* -
## Changes in Matter

Which of the following are examples of a physical change? a)change in physical state b)change in size or shape c)change in properties d)change in texture e)change in physical quantities f)change in substances Answer: a, b, and d Please correct me if I'm

*asked by Sara on March 22, 2010* -
## math

The equation $y = -6t^2 + 43t$ describes the height (in feet) of a projectile $t$ seconds after it is launched from the surface of Mars at 43 feet per second. In how many seconds will the projectile first reach 77 feet in height? Express your answer as a

*asked by yeet on May 24, 2017* -
## chemistry-urgent

Silver nitrate is added to a solution and precipitate forms. This precipitate dissolves when concentrated ammonia is added. What anion was present in the original solution? I don't know how to answer this. Also can someone please explain how to identify a

*asked by Temmick on March 5, 2014* -
## math

Assume a 30 month CD purchased for 2000 pay simple interest at an annual rate of 5.5%. How much total interest does it turn what is the balance at maturity. They want to know the total interest and the balance at maturity and they want us to give our

*asked by matt on January 16, 2016* -
## phyics

A tennis player places a 68kg ball machine on a frictionless surface. the machine fires a 0.057 kg tennis ball horizontally with a velocity of 38m/s toward the north. What is the final velocity of the machine? I used p1+p2=P1'+p2' but I can't seem to get a

*asked by jay on January 8, 2018* -
## Great Depression and Great Leveler/History

Hi, I just want to know if I am correct on my answer about the Great Depression and Great Leveler. I wrote, "The reason why it was called the Great Leveler was because every person was affected regardless of race and gender. Americans underwent many

*asked by Lauri on May 4, 2010* -
## Science

In a praticular breed of cattle, a black coat is dominant over a red coat. If a cow with a red coat is crossed with a black bull that is heterozygous for coat color, what percentage of their offspring would you expect to be black? A. 25% B. 50% C. 75% D.

*asked by Anonymous on October 15, 2014* -
## math

Im stuck on this question. Could someone answer it. Id appreciate it. The projected rate of increase in enrollment at a new college is estimated by: dE/dt = 9000(t + 1)^-3/2 where E(t) is the projected enrollment in t years. If the enrollment is 5000 now

*asked by JL on April 24, 2011* -
## math

A truck drove 1400 miles at a rate twenty miles per hour slower on the return trip. If the trip took 22 hours total, how fast was the truck going on the return trip? Round your answer to the nearest hundredth.

*asked by brittany on February 27, 2014* -
## chemistry

What is the volume of 45.0g of nitrogen monoxide, NO, at 20 C and a pressure of 740 mm Hg? Please someone can check my work is right or not? NO = 14 + 16 = 30 54.0g / 30 = 33.60 L 273K/293K = 0.932 atm 740 mm Hg = 740 torr = 0.974 atm 33.60L x 0.932 x

*asked by Diana on April 27, 2010* -
## English-A Raisin in the Sun

What does Beneatha think about George Murchison in the book A Raisin in the Sun? Please check my answer: Is this correct: Beneatha prefers Asagai over George. She doesn't like some of the things George says. She argues with him since she doesn't always

*asked by Anonymous on September 1, 2007* -
## I need help with this ALGEBRA

The velocity of sound in air is given by the equation ￼ , where v is the velocity in meters per second and t is the temperature in degrees Celsius. Find the temperature when the velocity is 329 meters per second by graphing the equation. Round the

*asked by Ciaria on March 17, 2015* -
## Physics

Tom the cat is chasing Jerry the mouse across a table surface 1.9 m off the floor. Jerry steps out of the way at the last second, and Tom slides off the edge of the table at a speed of 4.6 m/s. Where will Tom strike the floor? The ac- celeration of gravity

*asked by Emma on November 18, 2011* -
## physics

A cherry bomb explodes into three pieces of equal mass. One piece has an initial velocity of 12m/sx^. Another piece has an initial velocity of 7.0m/sx^−5.0m/sy^. Part A What is the velocity of the third piece? Enter the x and y components of the velocity

*asked by bety on March 3, 2014* -
## physics

A thin 2.82 m long copper rod in a uniform magnetic field has a mass of 44.2 g. When the rod carries a current of 0.238 A, it floats in the magnetic field. The acceleration of gravity is 9.81 m/s2 . What is the field strength of the magnetic field? Answer

*asked by maria on April 19, 2011* -
## PHYSICS

A thin 2.82 m long copper rod in a uniform magnetic field has a mass of 44.2 g. When the rod carries a current of 0.238 A, it floats in the magnetic field. The acceleration of gravity is 9.81 m/s2 . What is the field strength of the magnetic field? Answer

*asked by Leslie on April 19, 2011* -
## Physics

A particle P travels with constant speed in a circle of radius 7.3 m and completes one revolution in 34.0 s (see Figure). The particle passes through O at t = 0 s. What is the magnitude of the average velocity during the interval from t = 11.9 s and t =

*asked by Lina on December 17, 2013* -
## physics

Tom the cat is chasing Jerry the mouse across a table surface 1.8 m oﬀ the ﬂoor. Jerry steps out of the way at the last second, and Tom slides oﬀ the edge of the table at a speed of 7.6 m/s. Where will Tom strike the ﬂoor? The acceleration of

*asked by Anonymous on November 17, 2011* -
## MATHh

Include the LET statement for the equation below: An art dealer advises that, for the best display of a painting, the area of the frame should be 1/5 the area of the painting. Determine the best width of the frame for a painting 20-cm by 20-cm, if the

*asked by T on April 9, 2018* -
## algebra

You began a new job at a pizza shop 3 weeks ago. You worked 6 hours during the first week, 4 hours during the second week, and 10 hours during the third week. Which graph best represents the total hours you worked over these 3 weeeks? i tried solving it

*asked by alton on October 14, 2014* -
## chemistry

The N-N bond energy is difficult to measure. Given the values of 190 kJ/mol for the N-Cl bond energy and 240 kJ/mol for the Cl-Cl bond energy, determine the maximum de Broglie wavelength of an electron capable of breaking the N-N bond. Express your answer

*asked by nonu on June 1, 2013* -
## math(Please help!!!)

A cable that is used to support a 76 foot tower is secured to the ground 31 feet from the base of the tower. Find the angle of elevation to the nearest degree that the cable makes with the ground. Answer choices: 22 degrees, 24 degrees, or 68 degrees.

*asked by Abbey on November 5, 2008* -
## 4th grade math

The drill team is selling cookies to raise money. It costs .78$ to make each cookie. They sell them for $1.50 each. If they sell 253 cookies, how much profit will they make? Do I have to subtract the .78 from 1.50 then multiply that answer by 253? Or do i

*asked by reid on March 24, 2015* -
## Science

In a praticular breed of cattle, a black coat is dominant over a red coat. If a cow with a red coat is crossed with a black bull that is heterozygous for coat color, what percentage of their offspring would you expect to be black? A. 25% B. 50% C. 75% D.

*asked by Anonymous on October 15, 2014* -
## Chemistry

For the reaction 2H2 + 1O2 à 2H2O, there are 8.08 grams of H2 available. 2. Use the ratio of stoichiometric coefficients in the reaction above to determine how many moles of H2O can be produced from the H2 available. Then, use molar mass to convert the

*asked by Feather on September 13, 2014* -
## english 101

which word is wrong here? The physician overhead the insurance agent discussing the patient details of a client's medical condition with a personnel friend in the hospital cafeteria. overhead-details-a client's-a personnel-in the- my answer is personnel-

*asked by engl1301 on February 17, 2017* -
## history

Which of the following was an effect of militarism in Europe in the late 1800's? a)Nations made political and military alliances. b)Strong governments developed. c)Nations made economic alliances, d)Political tension between nations was reduced. my answer

*asked by Ciara's Sister on December 16, 2011* -
## physics

An object is thrown downward with an initial speed of 15 m/s from a height of 85 m above the ground. At the same instant, a second object is propelled vertically up from ground level with a speed of 29 m/s. At what height above the ground will the two

*asked by Lake on September 15, 2015* -
## Trigonometry

Solve for x to the nearest hundreth and can you explain how you get your answer I don't understand 3^x = 1.295 Your question has nothing to do with trigonometry. You can solve for x by taking the logarithm (to any base) of both sides of the equation. Then

*asked by Linda on June 10, 2007* -
## math

If A farmer uses a large tractor,she can plow a filed in eight hours. Her sister, using a smaller tractor can plow the same field in 12 hrs. How many hours would it take to plow the field if they worked together ? Express your answer as a mixed number and

*asked by bailteeeydh on January 8, 2009* -
## Science

In a praticular breed of cattle, a black coat is dominant over a red coat. If a cow with a red coat is crossed with a black bull that is heterozygous for coat color, what percentage of their offspring would you expect to be black? A. 25% B. 50% C. 75% D.

*asked by Anonymous on October 15, 2014* -
## Algebra 2

Write the first five terms of a sequence. Don’t make your sequence too simple. Write both an explicit formula and a recursive formula for a general term in the sequence. Explain in detail how you found both formulas. My answer is 15, 30, 45, 60, 75 I

*asked by Math Noob on March 6, 2019* -
## physics

A car starts from rest and travels for 7.0 s with a uniform acceleration of +3.0 m/s2. The driver then applies the brakes, causing a uniform acceleration of −2.5 m/s2. If the brakes are applied for 2.0 s, determine each of the following. (a) How fast is

*asked by lol on August 29, 2018* -
## Spanish

Answer the following question. Follow the model. Modelo ¿Cuánto tiempo hace que no vas al cine? Hace tres meses que no voy al cine. ¿Cuánto tiempo hace que Uds. saben navegar en la Red? ????

*asked by Alex on October 23, 2015* -
## Math

A rubber ball is thrown straight down from a height of 244 feet at speed of 80 feet per second. If the ball always rebounds with one-fourth of its impact speed, what will be the speed of the ball the third time it hits the ground? My Answer is: 1/4*80=60

*asked by Zach on May 6, 2013* -
## Physics

A lamp hangs vertically from a cord in a descending elevator with a constant deceleration a. If the tension in the cord is T0, answer the following. (Use any variable or symbol stated above along with the following as necessary: g.) (a) What is the lamp's

*asked by Rachel on February 11, 2013* -
## electrical technology

A battery of 9 V charges a capacitor of 47 ìF through a resistor. What resistor value needs to be used to obtain a voltage across the capacitor of 8 V when 10 seconds have elapsed ? You will need to obtain the standard equation for the voltage across the

*asked by john on March 7, 2016* -
## Math!! Help ASAP

6. Which is the best measure of central tendency for the type of data below- the mean, the median, or the mode? Explain. Hours of sleep at night A. Median; there will be outliers B. Range; there are no outliers C. Mode; the data are non-numeric D. Mean;

*asked by Anonymous on March 17, 2015* -
## Algebra

I been trying this problem i got the wrong answer. This what got. Problem: The fox population in a certain region has an annual growth rate of 8℅ per year. In the year 2012, there were 23,500 foxes counted in the area. What is the fox population

*asked by Keonn`a:please help. on November 25, 2017* -
## Chemistry

How many moles of oxygen, O2, are in a sample containing 1.43 x 10^24 molecules of O2? A) 0.421 mol B) 2.37mol C) 4.74mol D) 8.61 x 10^47mol E) 1.16 x 10^-48mol So I did the number divided the number of molecules of O2(1.43 x 10^24) by Avogadro's

*asked by Anonymous on October 5, 2018* -
## chemistry

A balloon is filled to a volume of 5.0 102 mL at a temperature of 28.0°C. The balloon is then cooled at constant pressure to a temperature of 1.00 102 K. What is the final volume of the balloon? the answer i got is v=166.66666667 My question is what is

*asked by chase on April 29, 2010* -
## Physics

A particle P travels with constant speed in a circle of radius 7.3 m and completes one revolution in 34.0 s (see Figure). The particle passes through O at t = 0 s. What is the magnitude of the average velocity during the interval from t = 11.9 s and t =

*asked by Lina on December 17, 2013* -
## Check My Answer Please

Why were women fighting for suffrage? A:because they wanted to end abuse toward women B:because they wanted to win the right to vote**** C:because they wanted to gain the right to work D:because they wanted to end women's inequality Completely doing an

*asked by Jacob on December 5, 2016* -
## physics

an empty coal car is moving along the tracks to a loading chute a 7km/hr., the mass of the empty car is 2000kg what is the speed of the loaded coal if the total mass of the car is now 10000 kg? give you answer in meters per second.

*asked by mercedes on September 27, 2011* -
## Calc

Describe the given set with a single equation or with a pair of equations. The set of points in space that lie 2 units from the point (0,0,1) and, at the same time, 2 units from the point (0,0,-1). I wrote distance equations for both set them equal to each

*asked by Anon on August 25, 2015* -
## Math

Determine whether each of the following function is invertible and very briefly explain your answer. a) The function that pairs the number of days since your birth with your age in years. b) The function that pairs the speed of your car in miles per hour

*asked by Steph on November 22, 2012* -
## Math

A ladder is leaning against the side of a house so that it can reach a window that is 25 feet off the ground. The angle in which is formed between the ladder and the ground is 52 degrees. How far from the base of the house is the base of the ladder? Round

*asked by Michael on December 2, 2014* -
## algebra

A bag contains 9 marbles: 2 are green, 4 are red, and 3 are blue. Laura chooses a marble at random, and without putting it back, chooses another one at random. What is the probability that both marbles she chooses are blue? Write your answer as a fraction

*asked by denora on November 29, 2015* -
## Math

The usual price of a plasma television set was $8999. After a year, the selling price of the same type of plasma television set was $4200. Find the percentage decrease in price. Round off your answer to the nearest whole number.

*asked by Alys on October 4, 2016* -
## math, drbob222

For this problem is it only asking for the exprssion(formula). Or do they want me to solve it. (1) A triangle has sides 3x+7,4x-9,and 5x+6. Find the expression that represents its perimeter. My answer:P=a+b+c I think the question is asking for the

*asked by Jasmine20 on December 12, 2006* -
## algebra

What is the slope of a line through (-5,2) and (6,7) in the standard(x,y) coordinate plane? Sorry, I forgot the choices F.9 G.5 H.-5 J. 5/11 K. -5/11 The main reason i can't figure this out is because I can't remember the slope formula. I need the slope

*asked by bailey on February 5, 2007* -
## Art

How could and observer distinguish the home of a rich inca from a regular citizen? A. Home of the wealthy were made with wood B. Homes of the wealthy had no trapezoid shapes C. Homes of the wealthy had stone roofs. D. Homes of the wealthy had not motar Is

*asked by Callie on February 24, 2015* -
## math

Just want to double check please... Susie has two children, Mary and Jake. Given that Susie has Alzheimer’s and there’s a 25% chance that she passed the Alzheimer’s gene onto her offspring, what is the probability of BOTH Mary and Jake developing

*asked by Danielle on September 12, 2016* -
## Math

Determine whether the pair of triangles is similar. Justify the answer. Triangle BAC with sides of 3, 3, 2 Triangle EDF with sides of 12,12,8 also the way I described the triangles, each side corresponds with the side underneath it, if that makes sense.

*asked by Rafe on December 8, 2017* -
## Finance

Suppose you are considering two investments, stock A and stock B. The beta of A is 1.20, and the beta of B is 0.80. Stock A has an expected return of 12% and Treasury Bills are yielding 3%. If the two stocks are fairly prices, what's the expected return on

*asked by Bob on April 20, 2010* -
## Chemistry

A silver-copper alloy had a mass of 0.1264g. When the alloy was dissolved in nitric acid and the silver precipitated as silver chloride, the precipitate had a mass of 0.1375g. Calculate the percent of silver in the alloy. So, how would you do this? Is it

*asked by Mat on September 4, 2008* -
## Social Studies

What many have caused religious disagreements amongst the colonists in colonial South Carolina? A.The capital only had an Anglican church. B.Settlers weren't religious C.People did not go to church every Sunday D.All of the settlers belonged to the

*asked by Candy on September 25, 2015* -
## physics

A plane flying horizontally above Earth’s surface at 150. meters per second drops a crate. The crate strikes the ground 30.0 seconds later. What is the magnitude of the horizontal component of the crate’s velocity just before it strikes the ground? I

*asked by Physics Student need help on November 12, 2009* -
## Physics

A football is thrown toward a receiver with an initial speed of 17.5 m/s at an angle of 35.2◦ above the horizontal. At that instant, the receiver is 16.7 m from the quarterback. The acceleration of gravity is 9.81 m/s^2 With what constant speed should

*asked by Emily on December 16, 2012* -
## math

An airplane can fly 625 miles with the wind in the same amount of time as it can fly 425 miles against the wind. If the wind speed is 50 mph, find the speed of the plane in still air. (Round your answer to the nearest whole number.)

*asked by jacob on November 24, 2015* -
## abnormal psychology

Which one of the following is an essential feature of the impulse-control disorders? A)Ability to control the impulse B)Pride after committing the impulsive act C)Sense of calm prior to committing the act D)Pleasure after acting on the impulse Is D correct

*asked by vedrana on February 21, 2011* -
## Physics

A ball on the end of a string travels in a horizontal circle at a constant speed. The circle has a circumference of 3 m, the ball has a speed of 2 m/s, and the centripetal force is 4 N. How much work is done on the ball each time it goes around? A) zero B)

*asked by Crystal on November 30, 2011* -
## science

A student mixed two clear liquids together in a beaker and a solid precipitate formed. His data is shown in the table below. Liquid reactant A = 10 g Liquid reactant B = 17 g Beaker + solid product= 32 g What is the mass of the beaker? A. 5 g B. 10 g C. 15

*asked by Oscar on March 30, 2015* -
## algebra(difference of two squares)

The positive difference between two consecutive odd numbers is 336. compute the larger of the two squares. But my solution was(n+1)^2-n^2=336. And. =2n+1=336. ,2n=335 where. I had n=335/2. Here igot stuck on solving the larger of the two squares. And

*asked by Rosy on January 3, 2017* -
## trig

From a point 45 meters above level ground, a surveyor measures the angle of depression of an object on the ground at 68°. Approximate the distance from the object to the point on the ground directly beneath the surveyor. (Round your answer to two decimal

*asked by Anonymous on September 28, 2011* -
## chemistry

The N-N bond energy is difficult to measure. Given the values of 190 kJ/mol for the N-Cl bond energy and 240 kJ/mol for the Cl-Cl bond energy, determine the maximum de Broglie wavelength of an electron capable of breaking the N-N bond. Express your answer

*asked by ssss on May 30, 2013* -
## chemistry

Using data from the following reactions and applying Hess's law, calculate the heat change for the slow reaction of zinc with water (answer must be in kJ/mol Zn): Zn(s) + 2 H2O(l) ----> Zn^2+(aq) + 2 OH-(aq) + H2(g) (ΔHrxn = ?) H+(aq) + OH-(aq) ---->

*asked by stephon on October 16, 2012* -
## math

A garbage can is in the shape of a rectangular prism. The area of the base of the garbage can is 480 square inches. The height of the garbage can is 30 inches. (Part A) how many cubic inches of space are inside this garbage can? (Part B) Explain how you

*asked by tony on September 25, 2011* -
## physics

A football is thrown toward a receiver with an initial speed of 15.4 m/s at an angle of 38.7 ◦ above the horizontal. At that instant, the receiver is 17.7 m from the quarterback. The acceleration of gravity is 9.81 m/s 2 . With what constant speed should

*asked by sam on October 3, 2013* -
## soc

Which of the following is NOT a question that a social conflict theorist would ask in studying a situation? Choose one answer. a. What is the inequality in this situation? b. What sorts of social change might result from the inequality in society? c. Who

*asked by ami on June 16, 2010* -
## physics

A football is thrown toward a receiver with an initial speed of 15.4 m/s at an angle of 38.7 ◦ above the horizontal. At that instant, the receiver is 17.7 m from the quarterback. The acceleration of gravity is 9.81 m/s 2 . With what constant speed should

*asked by sam on October 3, 2013* -
## Physics

A cat chases a mouse across a 1.1 m high table. The mouse steps out of the way, and the cat slides oﬀ the table and strikes the ﬂoor 2.2 m from the edge of the table. The acceleration of gravity is 9.81m/s^2. What was the cat’s speed when it slid

*asked by Colby on November 19, 2012* -
## Chemistry

Using data from the following reactions and applying Hess's law, calculate the heat change for the slow reaction of zinc with water (answer must be in kJ/mol Zn): Zn(s) + 2 H2O(l) ----> Zn^2+(aq) + 2 OH-(aq) + H2(g) (ΔHrxn = ?) H+(aq) + OH-(aq) ---->

*asked by Amanda on October 15, 2012* -
## Math

Hot numbers in a lottery are numbers that keep coming up. Cold numbers are numbers that have not "hit" in awhile.Some people select hot numbers or cold numbers when buying a ticket. Using probability,explain whether this makes sense. Please answer this

*asked by Melea on January 29, 2011* -
## Science/Astronomy

Large geomagnetic storms can cause surges of electric current here on Earth. What is the MOST LIKELY result of a large surge in electric current? F. power outages G.better TV reception H. cheaper electric power I. Local Group galaxy What is the answer???

*asked by Austin on April 13, 2010* -
## Physics

Two cars are traveling along a straight line in the same direction, the lead car at 22 m/s and the other car at 34 m/s. At the moment the cars are 59 m apart, the lead driver applies the brakes, causing the car to have a deceleration of 1.5 m/s 2 . How

*asked by Grey on September 25, 2011* -
## Math

An accountant earns $3180 per month after receiving a 8.5% raise. What was the accountant's monthly income before the raise? Round your answer to the nearest cent. What i thought you did was 3180*8.5%=270.3 3180-270.30=2909.70, but it says its not correct.

*asked by Chelsea on January 27, 2010* -
## Physics

A daredevil is shot out of a cannon at 54 degrees to the horizontal with an initial speed of 33.3 m/s. A net is positioned a horizontal distance of 41.8 m from the cannon. At what height above the cannon should the net be placed in order to catch the

*asked by Ronald on September 19, 2011* -
## Math

What are the values of w and x in the triangle below? Round answer to tenth. The triangle is scalene and the smaller one in the larger one has 38 degrees in its bottom right corner. The big triangle is 19 degrees in its bottom right corner. The height is

*asked by Matty on May 25, 2018* -
## physics

An object is thrown downward with an initial speed of 5 m/s from a height of 78 m above the ground. At the same instant, a second object is propelled vertically from ground level with a speed of 50 m/s. The acceleration of gravity is 9.8 m/s2. At what

*asked by Fabian on February 14, 2010* -
## Math

One fourth of herd of goats was seen in the forest. Twice the square root of the number of the herd had gone up the hill and the remaining 15 goats were on bank of the river. Find the total number of goats. I got the equation to be x/4 + 2 root x + 15 = x

*asked by Steve on April 27, 2013* -
## chemistry

The N-N bond energy is difficult to measure. Given the values of 190 kJ/mol for the N-Cl bond energy and 240 kJ/mol for the Cl-Cl bond energy, determine the maximum de Broglie wavelength of an electron capable of breaking the N-N bond. Express your answer

*asked by nonu on June 1, 2013* -
## chemistry

H2So4+NH4OH Find the complete ionic equation Find the spectator ions Find the net ionic equation I feel like my answer is wrong i tried CIE: 2H+(aq)+So42-(aq)+2H4+(aq)---> 2NH4+(aq)+So42-(aq)+H2o (l)

*asked by Alisha on February 24, 2015* -
## Science

I was trying to figure what propagate meant. Can sound exist in a vacuum? Why or why not? Sound is a matter wave, it requires matter to propagate. Yes but i am 10 and trying to figure it out, i am sorry if i upset you. Did you read, or think about my

*asked by Michael on May 16, 2007* -
## Trigonometry

A person on a ship sailing due south at the rate of 15 miles an hour observes a lighthouse due west at 3p.m. At 5p.m. the lighthouse is 52degrees west of north. How far from the lighthouse was the ship at a)3p.m.? b)5p.m.? c)4p.m.? Please show the complete

*asked by Ahlelie Reyes on November 28, 2013* -
## Math

The Gonzalez family wants to section off a triangular area to be used for raising chickens. They have three sections of fencing measuring 27 feet,33 feet, and 60 feet. Can the family create a triangular area using these three lengths? Explain your answer

*asked by Huria on February 26, 2017* -
## Spanish 3

______ terminado todos los quehaceres de la casa si nuestra madre no ______ regresado tan pronto. a) Hubiéramos, habría b) Habríamos, hubiera c) Habría, hubiéramos d) Hubiéra, habría My answer: C, because its saying "I would have" and then "our

*asked by Lia on July 25, 2014* -
## Math

Use a system of equations to find the quadratic function f(x) = ax^2 + bx + c that satisfies the equations. Solve the system using matrices. f(−2) = 4, f(1) = −2, f(2) = −12 The answer i got is f(x)=-2x^2-4x+8 this is the steps of how i got

*asked by anonymous on April 9, 2019*

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