Tuesday
September 2, 2014

Posts by Ashley


Total # Posts: 2,716

Physics
A 3.2 kg block with a speed of 11 m/s collides with a 11 kg block that has a speed of 3.3 m/s in the same direction. After the collision, the 3.2 kg block is observed to be traveling in the original direction with a speed of 6.4 m/s. (a) What is the velocity of the 11 kg block...
November 1, 2011

Physics
The masses usually cancel out of equations, so I'm just guessing that that's what happens here. I just don't know how to start it.
November 1, 2011

Physics
That's all the information that I'm given.
November 1, 2011

Physics
Block 1, with mass m1 and speed 4.5 m/s, slides along an x axis on a frictionless floor and then undergoes a one-dimensional elastic collision with stationary block 2, with mass m2 = 0.41m1. The two blocks then slide into a region where the coefficient of kinetic friction is 0...
November 1, 2011

External diploma program
Im looking for 2 formally organized groups they each have to have a affect on one another cooperatively
October 30, 2011

probability
A jar is filled with nickels and pennies. The value of the nickels is $S and the value of the pennies is $r. If you picked a hundred coins, what is your expected outcome?
October 30, 2011

General Chem lab
Hi, how do I calculate how many grams of unknown diprotic acid are needed to make 150mL of 0.750N (normal) solution? and to make 125mL of 0.500M (molar) solution? we have 0.5000M of NaOH.. Please help me...
October 30, 2011

physics
Two wooden crates with masses are as shown are tied together by a horizontal cord. Another cord is tied to the first crate and it is pulled with a force of 199N at a angle of 20.0 degrees. Each crate has a coefficient of kinetic friction of 0.55 . Find the tension in the ropes...
October 27, 2011

General Chemistry
How do I calculate the concentration of KmNO4 when.. Initial Volume is 50mL 0.11g sodium oxalate Volume of KMnO4 used to titrate oxalate and acid= 34.0 mL Volume of KMnO4 used to titrate acid only= 0.10 mL Please help me Thank you!
October 26, 2011

organic chemistry
what would be the result if we heated a mixture of dicholoromethane and naphalene to 60 degrees celcius, collected distillate until no further material is distilled, and then cooled the flask back to room temperature?
October 26, 2011

organic chemistry
what would be the result if we heated a mixture of dicholoromethane and naphalene to 60 degrees celcius, collected distillate until no further material is distilled, and then cooled the flask back to room temperature?
October 26, 2011

organic chemistry
what would be the result if we heated a mixture of dicholoromethane and naphalene to 60 degrees celcius, collected distillate until no further material is distilled, and then cooled the flask back to room temperature?
October 26, 2011

organic chemistry
what would be the result if we heated a mixture of dicholoromethane and naphalene to 60 degrees celcius, collected distillate until no further material is distilled, and then cooled the flask back to room temperature?
October 26, 2011

organic chemistry
what would be the result if we heated a mixture of dicholoromethane and naphalene to 60 degrees celcius, collected distillate until no further material is distilled, and then cooled the flask back to room temperature?
October 26, 2011

FRENCH
kk thanks a lot :):):):):):):):):):):):):):):):):)::):):):):):):):):):):):):):):):)
October 25, 2011

FRENCH
what do these words in french mean . pleese translate: chez moi une cassette de jazz un boite i did al my other questions but i dont get these
October 25, 2011

SS
Whos is famous for the quote Ask not what your country can do for you, but what you can do for it?
October 25, 2011

math
Find the greatest possible length of a rope which can be used to measure exactly the lengths 7m, 3m 85cm and 12m 95cm.
October 25, 2011

history
The Anti-Federalists _____.
October 25, 2011

math
what digit is in the tens place in 32? what digit is in the ones place in 32?
October 24, 2011

MATH
10 2/9 - 3 17/18
October 23, 2011

Math
The trail is 2989 miles long. It begins in City A and ends in City B. Manfred has hiked 2/7 of the trail before. How many miles has he hiked?
October 23, 2011

Math
a rectangular laboratory tray is 1/3 feet by 5/4 feet. Find the area
October 23, 2011

PHYSICS
An object is placed on an incline with friction. The incline is slowly raised from a zero degrees and at 29.2 degrees, the object begins to slide down the incline. The incline is then raised to 40.5 degrees and the object is placed back on the incline. The coefficient of ...
October 21, 2011

COMM 215
Please guide me on what I have done incorrectly: Part I: True or False 1. The following word group is a FRAGMENT: That movie, one of my favorites. X True __False 2. The following word group is a FRAGMENT: The local baseball team, needing a good pitcher most of all. X True ...
October 20, 2011

Comm 215
The original:(make parallel) To succeed in the new economy, workers will have to learn throughout their careers, adapt to changing circumstances, and self-motivation will be needed.
October 20, 2011

Comm 215
Is this correct 49. To succeed in the new economy, workers will have to learn throughout their careers, adapt to changing circumstances, and have self-motivation.
October 20, 2011

math
why 13 is odd number. what is defination of odd and even numbers
October 19, 2011

statistics
Smith is a weld inspector at a shipyard. He know from keeping track of good and substandard welds that for the afternoon shift 5% of all welds done will be at substandard. Smith checks 7500 shifts completed that shift and finds that 300 of them are substandard. Find the sample...
October 17, 2011

Accounting
Prepare the entry to record the accrued interest and the amortization of premium on December 31, 2010 using the straight-line method. INFO: Sharapove Co common stock, $100 par 200 shares     $37,400 U.S. government bonds, 11%, due 4/1/2020, interest payable 4/1 & 10/...
October 16, 2011

physics
A golfer takes two putts to get his ball into the hole once he is on the green. The first putt displaces the ball 6.90 m east, the second 7.70 m south. What displacement would have been needed to get the ball into the hole on the first putt?
October 13, 2011

Math
If something is less than five what will be rounding for that number for example 43, 44, 42
October 12, 2011

math
explain how u round 85 to nearest ten.
October 12, 2011

Math
what is rule of rounding a number.
October 12, 2011

Math
write an addition problem that requires regrouping
October 12, 2011

physics
A 75.0-W lamp is placed in series with a resistor and a 120.0-V source. If the voltage across the lamp is 24 V, what is the resistance R of the resistor?
October 11, 2011

physics
A golf ball is hit with an initial velocity of 50 m/s at an angle of 45° above the horizontal. How far will the ball travel horizontally before it hits the ground?
October 11, 2011

Reading
what is base word for calling, called, calls. what is the base word for burning, burned, burns
October 10, 2011

Reading
what is base word for calling, called, calls what is base word for burning, burned, burns
October 10, 2011

Reading
what is base word.
October 10, 2011

math
How you can rounded 85 to the nearest ten.
October 10, 2011

Chemistry
Do chemists speed a reaction by using bunsen burners or steam baths because this lowers the activation barrier?
October 9, 2011

CHEMISTRY
Why must an organic layer be washed with NaOH?
October 9, 2011

geometry
how do you justify if three lenghs make a triangle?
October 8, 2011

Business Law
Sam owns an acre of land on Red River. The government dams the river. A lake forms behind the dam, covering Sam's land. Does the government owe Sam anything? I dont want you to give me the answer but maybe just a reference where I could see the law on this case
October 8, 2011

Finance
99250
October 6, 2011

physics
A mass of 8 kg lies on a horizontal, frictionless floor. A force of 72 Newtons pushes to the left (negative x direction) with a force of 72 Newtons. Another force of unknown magnitude pushes the mass in a direction of 21.4 degrees above the positive x axis. The mass is ...
October 6, 2011

physics
A mass of 8 kg lies on a horizontal, frictionless floor. A force of 72 Newtons pushes to the left (negative x direction) with a force of 72 Newtons. Another force of unknown magnitude pushes the mass in a direction of 21.4 degrees above the positive x axis. The mass is ...
October 6, 2011

Pre-Calculus
It'll help you sove this if you draw a picture.(Not the greatest below but you get the idea) .| . | . | . |x . | ._____________| 25ft The 32 degrees should go in the bottom left corner of the triangle. To solve for x, you would use tangent. The problem would be set up as ...
October 5, 2011

Calculus
Find the equation of the tangent line to the curve below at point (0,3) y=6/(1+e^-x)
October 5, 2011

6th grade english
I need help to do adverbs please come and help me on this please anybody.
October 4, 2011

Math
regroup 2 tens, 2 ones; 1 ten, 12 ones Name the word that describes what was done to show the number in different ways.
October 4, 2011

Latin.
I don't know if I need to put them in singular or plural. that's what making me confused. I'm doing the 3rd declension
October 4, 2011

Latin.
The 3rd delension What's the accusative case for 1. magna urbs 2. rex fortis 3. navis longa 4. matres laetae 5. omnes puellae what's the ablative case for 1. bonus rex 2. puer fortis 3. omnes comites 4. princeps tristis 5. urbes multae
October 4, 2011

Lati
What's the accusative case for 1. magna urbs 2. rex fortis 3. navis longa 4. matres laetae 5. omnes puellae
October 4, 2011

physics
Identical +1.39 µC charges are fixed to adjacent corners of a square. What charge (magnitude and algebraic sign) should be fixed to one of the empty corners, so that the total electric potential at the remaining empty corner is 0 V?
October 4, 2011

Math
regroup 2 tens, 2 ones; 1 ten, 12 ones Name the word that describes what was done to show the number in different ways.
October 4, 2011

geometry
Given a line l, let A be a point on l, and B another point not on l. a. prove all the points of the line segment AB, except for A lie on the same side as B.
October 4, 2011

Calculus
is there a number a such that the lim x->2 6x^2+ax+a+57/x^+x-6 exists? if so find the value of a and the limit.
October 3, 2011

Science - Chemistry
A certain elixir is 92 proof. A proof is twice the volume percentage of alcohol in a blend. Ethanol's structural formula is CH3CH2OH with a molar mass of 46 grams/mole. The density is .79 g/ml. How many liters of elixir must one have in order to have 50 moles of carbon?
September 29, 2011

physics
a European farm has a land area of 0.425km^2. determine this area in acres . 1.000 acre =43,560ft ^2
September 27, 2011

writing decimals
How do you write 0.013 in expanded notation
September 27, 2011

math
23.6 repeating in fraction notation
September 26, 2011

math
23.6repeating find fraction notation
September 26, 2011

math
23.6 repeating find fraction notation
September 26, 2011

chem
an aluminum engine block has a volume of 4.77 L and mass of 12.88 kg. whate is the density of aluminum in g/cm 3
September 24, 2011

logic
g --> h ~h v k g k --> w Prove: W
September 22, 2011

logic
g --> h ~h v k g k --> w Prove: W
September 22, 2011

math
6 40/20 6 5/20 =12 9/20 12 9/20 /2=249/20/ 2/1 =249/20 *1/2 =249/40 and the answer was 1 209/40 it had to be a mixed number
September 20, 2011

math
1 209/40
September 20, 2011

math
find the average 6 1/5 and 6 1/4
September 20, 2011

math whats wrong with the answer
(1/4)2 +3/4* 2 3/5 =214/96
September 19, 2011

math
what is the answer as a integer
September 19, 2011

math
(1/2)^2 +1/2 * 2 2/3 simplify
September 19, 2011

math
to find the perimeter, you just have to add the length+width+length+width of all sides. s in this case, the perimeter will be: 80m 80m 100m + 100m = 360m
September 19, 2011

fith grade math
well i'm trying to do 49 x27 how would you do that?
September 19, 2011

Science
Pleas unscramble this word acnsrl spherical It's a tool to measure force.
September 19, 2011

Physics
a uniform rod of 3 kg and length 1 m is suspended from a fixed point by means of strings of length .8m and .6m which are attached to the free ends of the rod such that rod is horizontal. find the tensions in the string
September 19, 2011

Essential Mathemtics 1
10 2/3 / 4
September 19, 2011

Essential Mathemtics 1
15 * 4 2/3
September 19, 2011

Essential Mathemtics 1
13 1/3 / 6 2/9
September 19, 2011

Mathemtics 1
Lol noooooo 3 1/9 * 2 1/4 is what I'm trying to solve.
September 19, 2011

Mathemtics 1
I do but it's 3 numbers in both the fractions, on that website, it's only 2.
September 19, 2011

Mathemtics 1
Uhmmm That didn't help much.
September 19, 2011

Mathemtics 1
3 1/9 * 2 1/4
September 19, 2011

Essential Mathematics 1
7 1/3 - 2 5/6
September 19, 2011

Biology
A student claims the probability a human sperm will receive all chromatids of maternal origin is 50 %. Explain why she is wrong. Are the following true or false and support your answer: i. Red blood cells and nerve cells in adult humans are suitable for karyotyping (...
September 19, 2011

physics
A certain cable car is San Francisco can stop in 10 s when traveling at maximum speed. On one occasion, the driver sees a dog a distance d m in front of the car and slams on the brakes instantly. The car reaches the dog 7.78 s later, and the dog jumps off the track just in ...
September 15, 2011

physics
A jet plane lands with a speed of 87 m/s and can accelerate at a maximum rate of -5.30 m/s2 as it comes to rest. (a) From the instant the plane touches the runway, what is the minimum time needed before it can come to rest? What is the actual minimum distance needed to stop ...
September 15, 2011

physics
A hockey player is standing on his skates on a frozen pond when an opposing player, moving with a uniform speed of 12 m/s, skates by with the puck. After 2.0 s, the first player makes up his mind to chase his opponent. If he accelerates uniformly at 4.0 m/s2, determine each of...
September 15, 2011

physics
A ball is thrown vertically upward with a speed of +13.0 m/s. (a) How high does it rise? (b) How long does it take to reach its highest point? (c) How long does the ball take to hit the ground after it reaches its highest point? (d) What is its velocity when it returns to the ...
September 15, 2011

physics
A model rocket is launched straight upward with an initial speed of 30.0 m/s. It accelerates with a constant upward acceleration of 1.50 m/s2 until its engines stop at an altitude of 170 m. (a) What is the maximum height reached by the rocket? (b) How long after lift-off does ...
September 15, 2011

lamar
3(2x+5)=39
September 15, 2011

Math: Factoring
3(1+x)^ 1/3 -x(1-x)^ -2/3 -------------------------------- (1+x) sqrt 2/3 please help the line means divisionn of the underlined numbers and variables.
September 15, 2011

Math: Factoring
sorry i said it wrong. i just posted it again with correct info.
September 15, 2011

Math: Factoring
yes
September 15, 2011

Math: Factoring
3(1+x)sqrt 1/3 -x(1-x)sqrt -2/3 -------------------------------- (1+x) sqrt 2/3 please help
September 15, 2011

Spanish
What article do I use with sueter in spanish
September 15, 2011

Physics
A person walks 23.0° north of east for 2.60 km. How far due north and how far due east would she have to walk to arrive at the same location?
September 14, 2011

physics
Two boat landings are 6.0 km apart on the same bank of a stream that flows at 2.8 km/h. A motorboat makes the round trip between the two landings in 50 minutes. What is the speed of the boat relative to the water?
September 14, 2011

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