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Questions Asked on November 9, 2014

A child is standing on a platform of a station.A train travelling at 30m/s takes 3.0 secs to pass the child.What is the length
1. 6 answers
2. asked by sarah
3. 9,298 views
Change the italicized clause to a nominative absolute. Rewrite the entire sentence in the box below.As the hurricane season was
1. 4 answers
2. asked by dana
3. 8,944 views
Using the following data1. CU3+ + 2e- ---> Cu+ E1= 1.28V 2. CU2+ + e- ---> Cu+ E2= 0.15V 3. Cu2+ + 2e- ----> Cu(s) E3= 0.34V 3.
1. 2 answers
2. asked by anna
3. 8,887 views
A ball is thrown horizontally from the top of a building 30.1 m high. The ball strikes the ground at a point 66.8 m from the
1. 1 answer
2. asked by ann
3. 8,243 views
Can someone please check to see if I answered these true and false statements correctly? Thank you!1. A triangle can have two
1. 11 answers
2. asked by Anonymous
3. 6,657 views
What are the coordinates of the points where f(x) =x^3-x^2+x+1And g(x)=x^3+x^2+x-1 intersect?
1. 7 answers
2. asked by Trish Goal
3. 4,051 views
Two objects are moving in the xy-plane. Object A has a mass of 3.2 kg and has a velocity of Va= (2.3 m/s)i + (4.2m/s)j and
1. 1 answer
2. asked by Carl
3. 3,802 views
How do you write a balanced equation for the preparation of phenylmagnesium bromide and it's reaction with benzophenone followed
1. 2 answers
2. asked by Anonymous
3. 3,283 views
Choose a number. Multiply by 2. Add 6 to the product. Divide by 2. Then subtract 3. What is the answer? Repeat this process
1. 3 answers
2. asked by Anon
3. 3,151 views
As part of a kinetic sculpture, a 5.6 kg hoop with a radius of 3.8 m rolls without slipping.If the hoop is given an angular
1. 1 answer
2. asked by morg
3. 2,644 views
calculate the component of a force of 200n at a direction of 60 to the force.
1. 6 answers
2. asked by dani
3. 2,483 views
Longfellow repeats the line “the tide rises, the tide falls” throughout his poem. What idea is he trying to emphasize about
1. 4 answers
2. asked by Morgan
3. 2,235 views
An interacting system of two objects has no external force acting on the system. The first has a mass of 2.00kg and is moving
1. 1 answer
2. asked by Mike
3. 2,175 views
a yacht is moving at 10km/h in a south easterly direction and encounters a 3km/h current from the north. find the actual speed
1. 1 answer
2. asked by nigar
3. 2,073 views
Two objects are moving in the xy-plane. No external forces are acting on the objects. Object A has a mass of 3.2 kg and has a
1. 1 answer
2. asked by Carl
3. 1,970 views
An airplane approaches an airport. At a certain time, it is 939 m high. Its angle of elevation measured from the airport is
1. 1 answer
2. asked by Anonymous
3. 1,964 views
A simple pendulum of length 2.00m is made with a mass of 2.00kg. The mass has speed of 3.00 m/s when the pendulum is 30 degrees
1. 1 answer
2. asked by Alex
3. 1,812 views
The spring shown in the figure is compressed 59cm and used to launch a 100 kg physics student. The track is frictionless until
1. 1 answer
2. asked by Dib
3. 1,724 views
Assume that f(3)=4. Name a point that must be on the graph of y=f(x)+4
1. 3 answers
2. asked by Trish Goal
3. 1,688 views
What positive four-digit integer has its thousands and hundreds digits add up to the tens digit.Its hundreds and tens digits add
1. 2 answers
2. asked by Sam
3. 1,600 views
A farmer intends to fence o a rectangular pen for his pig Wilbur, using the barn as one of the sides. If the enclosed area is to
1. 1 answer
2. asked by Angela
3. 1,584 views
In trapezoid CDEF, angle D = angle E=90degrees. Angle C =60 degrees, EF=4.5cm, and DE=3.5cm. What is the perimeter of the
1. 1 answer
2. asked by Anonymous
3. 1,455 views
An empty 160 kg elevator accelerates upwardat 1.2 m/s 2 . The acceleration of gravity is 9.8 m/s 2 . What is the tension in the
1. 2 answers
2. asked by Kiki
3. 1,450 views
A 65 kg water skier is pulled up a 15° inclined by a role parallel to the incline with a tension of 500N. The coefficient of
1. 1 answer
2. asked by Lilie
3. 1,423 views
What part of speech is the infinitive phrase used? Is this a noun, adjective, or adverb?1. The coach's example is one to take
1. 6 answers
2. asked by Jessica
3. 1,385 views
Write a number sentence.There are 17 goats in the barn. 8 goats go outside. How many goats are still in the barn?
1. 1 answer
2. asked by Ciara
3. 1,369 views
A trail mix recipe calls for 6 cups of peanuts. You have 4 small packages that each contain 2/3 cup of peanuts. How many more
1. 5 answers
2. asked by Anonymous
3. 1,330 views
A person weighs 150 pounds. He is standing on a scale in an elevator and stands on a scale. The elevator is accelerating upwards
1. 2 answers
2. asked by Not telling you
3. 1,258 views
How does life in Istanbul differ from life in rural Turkey?A) Istanbul is more modern than rural Turkey B) Women in Istanbul do
1. 2 answers
2. asked by Anonymous
3. 1,257 views
Let a and b be real numbers, where a<b, and let A= (a,a^2) and B=(b,b^2). The line AB (meaning the unique line that contains the
1. 3 answers
2. asked by Trish Goal
3. 1,209 views
The best time to dig clams is when the low ocean tide is lowest (when you have the lowest possible tides). This occurs when the
1. 10 answers
2. asked by Not telling you
3. 1,148 views
Solving Systems of Equations in Three Variables:3x+4y+z=1 x+3y-z=-2 -2x+y-2z=-5 Please show work
1. 1 answer
2. asked by Stephy
3. 1,145 views
If 500 mol of hydrogen gas occupies 5.00L at 25 celsius, what is the pressure in atm?I believe this is Ideal gas law. I can't
1. 1 answer
2. asked by Anonymous
3. 1,140 views
What is the most important difference between consequences and punishment?a. Punishment is often late. b. Consequences are not
1. 2 answers
2. asked by anonymos
3. 1,131 views
1. (3.0x10^4) divided by (6.2x10^1)= 5x10^2? 2. (4.7x10^-3) divided by (9x10^-4) = 5x10^-6 3. (3.0x10^4) times (6.2x10^1)
1. 1 answer
2. asked by anonymous
3. 1,067 views
6. Herbal medications have which of the following properties?They are heavily regulated by the Food and Drug Administration.
1. 6 answers
2. asked by Minnie
3. 1,057 views
A small sphere of mass 2 kg is attached to the end of a cord of length 2m and rotated in a vertical circle about a fixed point
1. 0 answers
2. asked by Anonymous
3. 1,025 views
in a group of 180 person composed of men, women and children there are twice as many men as women and three times as many women
1. 1 answer
2. asked by scott
3. 1,000 views
Traveling at a speed of 22m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient
1. 1 answer
2. asked by Anonymous
3. 999 views
A car of mass 900 kg pulls a caravan of mass 400 kg along a straight horizontal road with an acceleration of 2 ms-2. Assuming
1. 1 answer
2. asked by Eve
3. 994 views
2.The solubility of sodium chloride at 20 degrees Celsius is 358g/1000g H20, or 358g/1358g solution. How many grams of sodium
1. 2 answers
2. asked by Aileen
3. 940 views
Consider an experiment where a subject lands during two conditions from a height of 0.2 m. During the first landing condition,
1. 0 answers
2. asked by Anonymous
3. 914 views
Is my answer correct?Calculate the mass of frost (water ice) on a piece of dry ice that would completely react with 2 mmol of
1. 0 answers
2. asked by Anonymous
3. 911 views
A jet plane is flying with a constant speed along a straight line, at an angle of 25.5° above the horizontal, as Figure 4.30a
1. 1 answer
2. asked by pooh
3. 909 views
A coin is placed on a large disk which rotates uniformly at a rate of 2 rot/s. The coefficient of friction between the coin and
1. 2 answers
2. asked by Anonymous
3. 905 views
Solving By Factoring:The length of the side of a large square is 1 cm less than twice the length of the of the side of a smaller
1. 1 answer
2. asked by Miguelina
3. 853 views
The system shown in the figure is in static equilibrium. The rod of length L and mass M is held in an unpright position. The top
1. 1 answer
2. asked by Rico
3. 852 views
How can I make this sentence present tense? Or is it already present tense?The problem I'm having is with the word "banished"
1. 2 answers
2. asked by Dylan
3. 843 views
A person weighs 150 pounds. He is standing on a scale inside an elevator. If the elevator is free-falling downward (perhaps the
1. 7 answers
2. asked by Not telling you
3. 840 views
Please help me write this in an equation. "Tyrone bought 15.3 gal of gasoline priced at g dollars per gallon, 2 qt of pil priced
1. 4 answers
2. asked by Christine
3. 834 views
If a certain number is added to the numerator and denominator of 1113 , the result is 1011 . Find the number
1. 1 answer
2. asked by Janis
3. 825 views
A small sphere of mass 1 kg is attached to the end of a cord of length 1 m and rotated in a vertical circle about a fixed point
1. 1 answer
2. asked by Anonymous
3. 805 views
Show the equation that 100g of 100C steam will completely melt 800g of 0C ice.
1. 0 answers
2. asked by Kay
3. 800 views
aman had 128 trading cards. he gave 3/8of his cards to mohit and 1/4 cards to kushal. how many cards he give away altogether?
1. 1 answer
2. asked by siddhi jain
3. 793 views
A 8.00-kg block of ice, released from rest at the top of a 1.44-m-long frictionless ramp, slides downhill, reaching a speed of
1. 1 answer
2. asked by Anas
3. 789 views
If there are 25 mg of water in a typical drop of water, how many drops of waterwould react completely with 2 mmol of
1. 5 answers
2. asked by Damon
3. 784 views
A mass of 2.0kg traveling at 3.0 m/s along a horizontal plane hits a relaxed spring 20cm away from it. The coefficient of
1. 1 answer
2. asked by Max
3. 775 views
A 0.422-kg ball with a speed of 1.31 m/s rolls across a level surface toward an open 0.348-kg box that is resting on its side.
1. 2 answers
2. asked by Anonymous
3. 770 views
A 0.9-kg block (mass m) and a second block (mass M) are both initially at rest on a frictionless inclined plane. Mass M rests
1. 0 answers
2. asked by Anonymous
3. 769 views
Approximately 400,000 students took the GRE in 2009. Observed mean for the Verbal score was 540 with a standard deviation of 80,
1. 1 answer
2. asked by Dawn
3. 763 views
Find the missing number.(169,13)(49,7)(144,?)(81,9)
1. 1 answer
2. asked by julian
3. 752 views
Please help me.Use Descartes' rule of signs to describe the roots for each polynomial function. 3. m(x)=x^3+3x^2-18x-40
1. 1 answer
2. asked by Anonymous
3. 752 views
Two masses ( 2.3 kg and 4.2 kg) connected by a massless rope hung over opposite ends of a frictionless pulley. Each mass is
1. 1 answer
2. asked by John
3. 752 views
find the derivative of y with respect to x if y=(13x^2-26x+26)e^-3x. y'=
1. 1 answer
2. asked by Duane
3. 741 views
Use descartes rule of sign to determine the possible number of positive real zeros and possible number of negative
1. 1 answer
2. asked by Samer
3. 733 views
Prepare a 10 percent solution of sulphuric acid from a 98 percent stock solution of the acid in a 500mls beaker
1. 3 answers
2. asked by Lowicy
3. 731 views
use L'Hopital's Rule to evaluate lim (4x(cos 8x-1))/(sin 8x - 8x) as x->0
1. 1 answer
2. asked by danial
3. 717 views
I posted this earlier and received a reply - but the reply doesn't make sense. I drew up a picture of what was posted, but the
1. 3 answers
2. asked by Mary
3. 713 views
Graded potentials:arise when ion movement causes a minor change in the resting membrane potential. usually propagate down the
1. 0 answers
2. asked by Shannon
3. 706 views
A small sphere of mass 3 kg is attached to the end of a cord of length 2m and rotated in a vertical circle about a fixed point
1. 1 answer
2. asked by Anonymous
3. 701 views
The Constitution may be amended byA. Congress proposing and the states ratifying an amendment. B. a majority vote in an
1. 3 answers
2. asked by Pat
3. 689 views
A 40kg box of sweet cherries at 10 ° c cosisting of 30kg water and 10kg cherries is to be frozen at -30°c.Calculate the total
1. 0 answers
2. asked by Aliya
3. 686 views
$799.99 with 40% off rounded to the nearest dollar
1. 1 answer
2. asked by cara
3. 682 views
Using the following data1. CU3+ + 2e- ---> Cu+ E1= 1.28V 2. CU2+ + e- ---> Cu+ E2= 0.15V 3. Cu2+ + 2e- ----> Cu(s) E3= 0.34V 3.
1. 0 answers
2. asked by gaby
3. 680 views
A mechanic jacks up a car to an angle of 10◦ with the horizontal in order to change the front tires. The car is 2.78 m long
1. 1 answer
2. asked by morg
3. 678 views
A cannon ball is fired horizontally with a velocity of 50m/s from the top of a cliff of 90mh. after how many seconds will it
1. 1 answer
2. asked by physics
3. 666 views
A survey carried out on 40 students about when they did their homework over the weekendF=(homework done on friday) S=(homework
1. 1 answer
2. asked by Amber
3. 656 views
A 4.80kg cat leaps from the floor to the top of a 94.0-cm-high table.If the cat pushes against the floor for 0.230s to
1. 0 answers
2. asked by Dib
3. 645 views
A 40kg box of sweet cherries at 10 ° c cosisting of 30kg water and 10kg cherries is to be frozen at -30°c.Calculate the total
1. 1 answer
2. asked by please help!!!
3. 638 views
A 24.00 kg block at rest on a horizontal frictionless air track is connected to the wall via a spring. The equilibrium position
1. 2 answers
2. asked by Liz
3. 637 views
Graded potentials are:arise when ion movement causes a minor change in the resting membrane potential. usually propagate down
1. 0 answers
2. asked by Shannon
3. 628 views
What is the molar mass of a gas (96.0 g) in a 25.0 L container at 27.0 °C? The pressure inside the container is 3.04E5 Pa.
1. 1 answer
2. asked by Amanda
3. 625 views
There is a room 10 feet high by 10 feet wide by 10 feet in length. On one wall, there is an electrical outlet 1 foot from the
1. 2 answers
2. asked by Mary
3. 622 views
Which planets are the inner planets
1. 2 answers
2. asked by Amari
3. 621 views
find the derivative ofy= x^3+8/x+2 the / is meant to be a fraction bar, I am really really bad at finding the derivative of a
1. 3 answers
2. asked by Minnie
3. 620 views
I'm having trouble understanding Boyle's Law and Dalton's law of partial pressures. Can anyone help me work this please? Thank
1. 1 answer
2. asked by Katie
3. 619 views
Assume that f(3)=4. Name a point that must be on the graph of y=1/2f(x/2).
1. 1 answer
2. asked by Trish Goal
3. 610 views
The equilibrium constant for the chemical equation is K = 4.90 at 199 °C. Calculate the value of the Kc for the reaction at 199
1. 1 answer
2. asked by moe
3. 597 views
A rectangle has a length that is 2 less than 3 times the width. If the area of this rectangle is 16, find the dimensions and the
1. 1 answer
2. asked by cmurda
3. 592 views
A 1550 -kg car moves on a horizontal curved road. If the radius of the curve is 46 m and the coefficient of friction between the
1. 0 answers
2. asked by Anonymous
3. 590 views
A ball is thrown horizontally from the top of a building 30.1 m high. The ball strikes the ground at a point 66.8 m from the
1. 2 answers
2. asked by None
3. 580 views
A 18 g bullet is fired into the bob of a ballistic pendulum of mass 1.4 kg. When the bob is at its maximum height, the strings
1. 0 answers
2. asked by Anonymous
3. 579 views
Sophia exerts a steady 40-N horizontal force on a 8-kgbox resting on a lab bench. The box slides against a horizontal friction
1. 1 answer
2. asked by alex
3. 578 views
what is x and cosh ln(x) when tanh(lnx^(1/2)= 12/13
1. 1 answer
2. asked by Jenni
3. 575 views
let f(x)= bx^2+6x, if x< or equal to 2ax^3, if x>2 find the values of a and b such that f(x)is differentiable at x=2 I need help
1. 1 answer
2. asked by Anonymous
3. 570 views
a roller of diameter 1.5 m has a mass of 450 kg; it is pulled by a handle attached to its centre. Find the minimum force to pull
1. 0 answers
2. asked by David
3. 562 views
a mechanic applies the force of 50 N at a distance of 40 cm from the pivot on a wheel wrench . what is the size of the moment ?
1. 1 answer
2. asked by jade
3. 561 views
Solving Systems of Equations in Three Variables:3x+3y-z=-3 -2x-3y+2z=3 x-6y+3z=0 PLease show work
1. 1 answer
2. asked by Stephy
3. 561 views
The Mongols have a terrible reputation in history as pillagers who destroyed all that met their path. How does this depiction of
1. 1 answer
2. asked by Katy
3. 556 views
Describe how you can prepare 0.25 molar solution of sodium hydroxide from an 80 percent stock solution in a 500mls beaker
1. 1 answer
2. asked by Lowicy
3. 554 views

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