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Questions Asked on September 20, 2013

During a soccer game a ball (of mass 0.425 kg), which is initially at rest, is kicked by one of the players. The ball moves off
1. 2 answers
2. asked by Aries
3. 6,887 views
Turning on the switch in a flashlight starts a chemical reaction in the batteries. The chemical energy is turned to light energy
1. 16 answers
2. asked by Anonymous
3. 5,415 views
Typically, a tennis ball hit during a serve travels away at about 51 m/s. If the ball is at rest mid-air when struck, and it has
1. 4 answers
2. asked by Jason
3. 5,259 views
During takeoff, an airplane, climbs with a speed of 180 m/s at an angle of 34º above the horizontal. The sun is shining
1. 3 answers
2. asked by paul
3. 3,961 views
Most Americans, 67% in fact, say frequent handwashing is the best way to fend off the flu. Despite that, when using public
1. 2 answers
2. asked by Hannah
3. 3,602 views
VectorA has a magnitude of 29 units and points in the positive y-direction. When vector B is added to A, the resultant vector A
1. 1 answer
2. asked by Ashley
3. 3,284 views
Scientists are experimenting with a kind of gun that may eventually be used to fire payloads directly into orbit. In one test,
1. 1 answer
2. asked by paul
3. 2,619 views
A graduated cylinder contains 155mL mL of water. A 17.0g g piece of iron (density = 7.86g/cm 3 g/cm^3 ) and a 23.0g g piece of
1. 1 answer
2. asked by uta
3. 2,352 views
A fire hose ejects a stream of water at an angle of 35.0º above the horizontal. The water leaves the nozzle with a speed of
1. 3 answers
2. asked by paul
3. 2,035 views
A car is traveling at 24.4 m/s. If the driver has a reaction time of 1 second, what will be his stopping distance if his car
1. 1 answer
2. asked by Joseph
3. 1,928 views
How many atoms are 3.75 moles of iron (Fe)?
1. 2 answers
2. asked by anony5
3. 1,779 views
Two workers are trying to move a heavy crate. One pushes on the crate with a force A, which has a magnitude of 445 N and is
1. 1 answer
2. asked by paul
3. 1,720 views
A crate of potatoes of mass 12.0 kg is on a ramp with angle of incline 30° to the horizontal. The coefficients of friction are
1. 1 answer
2. asked by nadine
3. 1,617 views
The owner of a service station receives a loan of $8,500 at 10.5% for 7 months. Find the amount of simple interest
1. 2 answers
2. asked by d
3. 1,586 views
factor 2x^2-50 completely
1. 1 answer
2. asked by Anonymous
3. 1,580 views
You are attempting to row across a stream in your rowboat. Your paddling speed relative to still water is 3.0 m/s (i.e., if you
1. 2 answers
2. asked by Amy
3. 1,553 views
two questions..1a) How much discretion should prosecutors, judges, and parole board members have in administering the criminal
1. 3 answers
2. asked by Laura
3. 1,478 views
A 8.90-kg hanging object is connected by a light, inextensible cord over a light, frictionless pulley to a 5.00-kg block that is
1. 1 answer
2. asked by Anonymous
3. 1,387 views
An eagle is flying horizontally at 7.9 m/s with a fish in its claws. It accidentally drops the fish. (a) How much time passes
1. 0 answers
2. asked by Briana
3. 1,385 views
9. To be a teacher aide in an ESL classroom, you shouldA. have an ear for language. B. receive certification in ESL instruction,
1. 5 answers
2. asked by george
3. 1,374 views
VectorA has a magnitude of 29 units and points in the positive y-direction. When vector B is added to A, the resultant vector A
1. 2 answers
2. asked by Ashley
3. 1,357 views
What are two reasons for the variety of climate and vegetation found in Latin America?My answer: This variety of climate and
1. 4 answers
2. asked by Anonymous
3. 1,300 views
What is the binding energy of 1 mole of 239/94 Pu if the mass defect is 0.001896 kg/mol?
1. 1 answer
2. asked by Abbie
3. 1,246 views
Write an algebraic expression that uses x, y, and z and simplifies to the given value when x = -3, y = -2, and z = -1. The
1. 2 answers
2. asked by Anonymous
3. 1,217 views
while at the shooting range, jonathan shoots a bullet traveling horizontally with speed of 35 m/s. the bullet hits a board,
1. 1 answer
2. asked by lian
3. 1,183 views
1). Where are most of the high-land climate zones located?2). What vegetation characterizes the Amazon River basin? 3). What
1. 1 answer
2. asked by Anonymous
3. 1,140 views
an algebra book weighs 6 oz less than twice as much as grammar book. if 5 algebra books weigh the same as 8 grammar books, how
1. 1 answer
2. asked by Zoey
3. 1,138 views
Discuss the role of advertising in product differentiation and the intent of advertising in altering the firm’s demand curve.
1. 2 answers
2. asked by tommy
3. 1,083 views
Two bodies of masses 8 kg and 4 kg move along the x-axis in opposite directions with velocities of 11 m/s-positive x-direction
1. 0 answers
2. asked by Aries
3. 1,080 views
Can you pliz help me solve the following simultaneous equation 3x-y=2 and 3y+9x=4
1. 2 answers
2. asked by Smangele Phakathi
3. 1,069 views
Find the length of the third side of a triangle if the area of the triangle is 18 and two of its sides have lengths of 5 and 10.
1. 1 answer
2. asked by Joy
3. 1,032 views
1.5mn / m =
1. 2 answers
2. asked by Anonymous
3. 1,021 views
Post a New Question Current QuestionsHomework Help: Math (HELP PLEASE) Posted by Anonymous on Tuesday, September 17, 2013 at
1. 0 answers
2. asked by I need help on this to
3. 1,016 views
This question is about energy efficiency.e.g. more efficient A= B C D E Less Efficient my question An old freezer has an energy
1. 2 answers
2. asked by HS
3. 1,014 views
A vector has an x-component of−25.5 units and a y-component of 56.0 units. Find the magnitude and direction of the
1. 1 answer
2. asked by Ashley
3. 1,008 views
Calculates the work done (in joules) when 42.8 g of tin dissolves in excess acid at 1.10 atm and 23 degrees Celcius. Assume
1. 1 answer
2. asked by Vanessa
3. 978 views
An Australian emu is running due north in a straight line at a speed of 13.0 m/s and slows down to a speed of 10.6 m/s in 4.0 s.
1. 1 answer
2. asked by paul
3. 971 views
A circus performer begins his act by walking out along a nearly horizontal high wire. He slips and falls to the safety net, 25.0
1. 1 answer
2. asked by paul
3. 963 views
Assume that the population of India is 120 million. If 40.25% of the population hasheight below 5 ft. and 30.76% of the
1. 2 answers
2. asked by partha
3. 940 views
A train slows down as it rounds a sharp horizontal turn, going from 99.0 km/h to 41.0 km/h in the 13.5 s it takes to round the
1. 1 answer
2. asked by Anonymous
3. 934 views
The Movie Started At 7:25 P.m. It Let out At 9:20 P.m. How Long Did The Movie Last ?
1. 7 answers
2. asked by Zhanise
3. 922 views
A young woman named Kathy Kool buys a sports car that can accelerate at the rate of 4.53 m/s2. She decides to test the car by
1. 2 answers
2. asked by Connor
3. 897 views
A rocket is fired at a speed of 75.0 m/s from ground level, at an angle of 60.0º above the horizontal. The rocket is fired
1. 0 answers
2. asked by paul
3. 894 views
The interior angle measures of a hexagon are in the ratio of 2:3:3:3:3:4. What is the degree measure of the largest angle?
1. 1 answer
2. asked by Anonymous
3. 880 views
2/3 of the pieces of Fruit in Lurene's basket are oranges. Of the fruit that are not oranges, 2/3 are apples, IF 2/2 of the
1. 3 answers
2. asked by Anonymous
3. 849 views
At the start of the week, the amount of money in Howard's bank account varies directly with the number of hours he worked and
1. 1 answer
2. asked by Anonymous
3. 847 views
A person looking out the window of a stationary train notices that raindrops are falling vertically down at a speed of 6.17 m/s
1. 0 answers
2. asked by Autianna
3. 843 views
A can fly at a speed of b meters per second. How many kilometers can it fly in 5 hours?
1. 1 answer
2. asked by Anonymous
3. 827 views
Calculates the work done (in joules) when 42.8 g of tin dissolves in excess acid at 1.10 atm and 23 degrees Celcius. Assume
1. 1 answer
2. asked by Vanessa
3. 818 views
Oil (sp. gr.= 0.8) flows smoothly through the circular reducing section shown at 3 ft^3/s. If the entering and leaving velocity
1. 0 answers
2. asked by Katy
3. 802 views
Find the following limit if it exists, or explain why it does not exist:lim as x approaches -infinity of square root of
1. 1 answer
2. asked by Dalia
3. 796 views
Verification of the amount is made daily by the auditor
1. 1 answer
2. asked by John
3. 795 views
Airplane flight recorders must be able to survive catastrophic crashes. Therefore, they are typically encased in crash-resistant
1. 0 answers
2. asked by paul
3. 782 views
If one of the interior angles of a pentagon has a measure of 48 degrees, what is the average measure of the pentagon's other
1. 1 answer
2. asked by Anonymous
3. 749 views
Can someone check my english essay. 700 words.I have English as 2nd language
1. 1 answer
2. asked by Jon
3. 742 views
Marks: 5 A hill that has a 15 % grade is one that rises 15.0 m vertically for every 100.0 m of distance in the horizontal
1. 1 answer
2. asked by paul
3. 735 views
The sequence x_1, x_2, x_3, . . ., has the property that x_n = x_{n - 1} + x_{n - 2} for all n \ge 3. If x_{11} - x_1 = 99, then
1. 3 answers
2. asked by Speedo
3. 724 views
No me gusta la lechuga porque no es _____.A. sabrosa B. sabroso C. malo D. horrible D?
1. 1 answer
2. asked by Jake
3. 706 views
A jetliner, travelling northward, is landing with a speed of 79 m/s. Once the jet touches down, it has 710 m of runway in which
1. 1 answer
2. asked by Cam
3. 685 views
A hill that has a 15 % grade is one that rises 15.0 m vertically for every 100.0 m of distance in the horizontal direction. At
1. 1 answer
2. asked by paul
3. 680 views
Stu Got On The Train At 7:20 A.m. He Got off At 10:15 A.m. How Long Was He On The Train ?
1. 7 answers
2. asked by Zhanise
3. 675 views
The equation 6x-7y=5 has a unique solution if x, y are:1) Real numbers 2) Rational numbers 3) Irrational numbers 4) Natural
1. 1 answer
2. asked by partha
3. 663 views
Write the verb "see" in the present perfect tense. Use the pronoun "I" as the subject.?A. I have seen. B. I am seen. C. I am
1. 1 answer
2. asked by ashley
3. 655 views
Bob drove to the store( a distance fo 10.5) miles at ana average speed of 35 mile per hours. On the way home, he got stuck in
1. 2 answers
2. asked by Anonymous
3. 653 views
Using Proper Idiom:1.The purchasing officer has gone in search for a substituteproduct. 2.Our office has become independent
1. 0 answers
2. asked by John
3. 644 views
The ratio of number of male workers and female workers in a company is 5:1. If thecompany has 250 male workers, how many female
1. 1 answer
2. asked by partha
3. 637 views
Turning on the switch in a flashlight starts a chemical reaction in the batteries. The chemical energy is turned to light energy
1. 0 answers
2. asked by Anonymous
3. 628 views
A state's license plate number consists of 3 digits followed by 2 letters. If the digit 0 and the letter X cannot be used, how
1. 1 answer
2. asked by Anonymous
3. 624 views
Patient motion may create artifact that looks like an atrial arrhythmia? True or False. TrueThe ECG tracing represents a 3
1. 1 answer
2. asked by Mary
3. 622 views
you wish to calculate the mass of hydrogen gas that can be prepared from 4.89 g of SrH2 and 5.28 g of H2O.(a) How many moles of
1. 1 answer
2. asked by Anonymous
3. 617 views
1. Under which cultural element would zydeco be categorized ?a) religion b) food c) music d) dance What did the earliest
1. 1 answer
2. asked by isabella
3. 613 views
In 1990, the population of Cheyenne, Wyoming, was 73,142. By 2000, the population had increased to 81,607. Write and solve an
1. 2 answers
2. asked by Crystal
3. 605 views
The weight of an object is the same on two different planets. The mass of planet A is only sixty percent that of planet B. Find
1. 1 answer
2. asked by Briana
3. 605 views
In the ways of developing the ways of calculating time, astronomers divided an hour into 60 minutes. Why is 60 a better choice
1. 4 answers
2. asked by Shohanur
3. 602 views
Gretchen, Miranda and Ariel worked a total of 105 hours this week. If the ratio of Gretchen's hours to Miranda's to Ariels is
1. 1 answer
2. asked by Anonymous
3. 600 views
Question : Light is absorbed when it passes through a glass window. If r % of light is absorbed by a glass with thickness w,
1. 2 answers
2. asked by Scottie
3. 600 views
For each event explain how the event would affect price, supply and demand of the product listed:Two days before Thanksgiving
1. 1 answer
2. asked by Fort
3. 596 views
What is the relative location of landforms in Latin America?
1. 3 answers
2. asked by Anonymous
3. 596 views
What are the common nouns in these sentences? I think I have them right but I'm not sure. 1 is zone. 2 is steamboat. 3 is sister
1. 3 answers
2. asked by Krystal
3. 594 views
A hydrate of barium chloride has the formula BaCl subscript 2 dot XH subscript 2 O.If a 1.055g sample of the hydrate contains
1. 3 answers
2. asked by anony5
3. 594 views
A car with an initial speed of 23.5 km/h accelerates at a uniform rate of 0.98 m/s2for 4.0 s. Find the ﬁnal speed of the car.
1. 1 answer
2. asked by Anonymous
3. 591 views
On August 1, 2005 you invested $3,000 into a mutual fund. You then invested $1,000 into that same mutual fund on the first day
1. 0 answers
2. asked by Angie
3. 588 views
A jar contains 100 white jellybeans, 50 yellow jellybeans and 20 green jellybeans. Jason is blindfolded; he wants to get at
1. 1 answer
2. asked by Anonymous
3. 588 views
I need help with a unique null hypothesis that I would then be able to use a t test statistical analysis,the same hypothetical
1. 0 answers
2. asked by Vanessa
3. 577 views
the base of an isosceles triangle is 27dm.if the length of a leg is 11 more than one-third of the base,find the perimeter of the
1. 1 answer
2. asked by annalou paradillo
3. 574 views
A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 4.0 m/s. The car is a
1. 1 answer
2. asked by paul
3. 568 views
Four lines intersect at point P, forming 8 angles at the point. What is the average angle measure of the 8 angles?
1. 1 answer
2. asked by Anonymous
3. 557 views
Where did the British first move acadians after exile from Acadia ?a) to many of the British colonies in small groups b) to
1. 1 answer
2. asked by isabella
3. 555 views
supply function p = 15x-900demand function p = 2x + 530 find the point of equilibrium
1. 1 answer
2. asked by Wayne
3. 552 views
Determine the Null and Alternative Hypothesis for the following:A.) A company manufactures flares, they select 100 at random to
1. 1 answer
2. asked by Sean
3. 549 views
I want to make 99 by using calculator,but the 9 key , the + key,and the - key are broken. How can I use my to do the task. I
1. 2 answers
2. asked by Jerica
3. 546 views
What are the unique physical characteristics of the Atlantic Coastal plain Region?
1. 3 answers
2. asked by ezekiel
3. 542 views
2. Assume you working on the house pictured below. The length of the house is 50 feet, the width is 30 feet, and from the ground
1. 1 answer
2. asked by m
3. 534 views
The ratio of number of male workers and female workers in a company is 5:1. If thecompany has 250 male workers, how many female
1. 1 answer
2. asked by partha
3. 527 views
Hi beautiful people.I'm busy working on a French assignment due tonight and I'm struggling to figure out a couple of
1. 1 answer
2. asked by Rissa
3. 525 views
On earth, two parts of a space probe weigh 17300 N and 3260 N. These parts are separated by a center-to-center distance of 19.4
1. 1 answer
2. asked by Briana
3. 525 views
Decide which of the two reasons offered in each instance will be more persuasive to the specified audience.Write out the implied
1. 2 answers
2. asked by lyndsay
3. 524 views
can someone help me with this crazy problem please I have to do the sum diff and product for classx^3- ¡¼2x¡½^2 + 3x-1 ¡Ã
1. 1 answer
2. asked by Rick
3. 524 views
An airplane has a mass of 32272.2 kg and takes off under the influence of a constant net force of 39990.0 N. What is the net
1. 0 answers
2. asked by paul
3. 523 views
The scale of a map is given as 1:2, 00000. Two cities are 3 cm apart on the map.Calculate the actual distance between them.
1. 1 answer
2. asked by partha
3. 521 views

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