# Posts by spencer

Total # Posts: 198

**Physics (Attempt 3 for help)**

A person with the weight of 691 N stands on a bathroom scale in a motionless elevator. The elevator begins to move and the scale momentarily changes to 499 N. (a) Draw a force diagram of the situation. (b) Create a qualitative vertical equation for this situation. (c) ...

**physics**

A person with the weight of 691 N stands on a bathroom scale in a motionless elevator. The elevator begins to move and the scale momentarily changes to 499 N. (a) Draw a force diagram of the situation. (b) Create a qualitative vertical equation for this situation. (c) ...

**math**

At a street fair, a vendor keeps her stall open 6 hours per day. She also spends a total of 4 hours over the course of the fair setting up. Let d represent the number of days of the fair and h represent the total hours spent at the fair.

**Chemistry**

As an eager scientist on a hot summer day you wish to determine how much ice to buy to add to your cooler which is filled with 4.0 × 101 cans of soda which are warm at 82.9°F. Each can has a mass of 378 g and ideally you want the temperature of the drinks to be 40.1&...

**Algebra 2**

Pretty sure 32/8=4, so it would be log 4

**social studies history state**

what is ms sue kentucky's highest mountain;located on the kentucky virginia border

**Calculus**

A spotlight on the ground is shining on a wall 24\text{m} away. If a woman 2\text{m} tall walks from the spotlight toward the building at a speed of 0.6\text{m/s}, how fast is the length of her shadow on the building decreasing when she is 2\text{m} from the building?

**Math**

105 students were asked if they liked soccer, rugby, or football. 4 liked only rugby, 40 liked rugby, 12 liked only rugby and football, 63 did not like football, 21 didn't like any, 16 liked only soccer and football, 60 liked soccer. How many liked only football? How many ...

**Math**

105 students were asked if they liked soccer, rugby, or football. 4 liked only rugby, 40 liked rugby, 12 liked only rugby and football, 63 did not like football, 21 didn't like any, 16 liked only soccer and football, 60 liked soccer. How many liked only football? How many ...

**Math**

A fireman used a ladder with 56 rungs. The rungs are 14 inches apart and 1.5 inches thick. What is the distance from the bottom of the lowest rung to the top of the highest rung? Check if I solved correctly please. I multiplied 55*14 because there would be 55 spaces between ...

**Math**

At a school with 100 students, 35 take French, 32 take German, and 30 take Spanish. Twenty students take only French, 20 take only German, and 14 take only Spanish. In addition, 7 students are taking both French and German, some of whom also take Spanish. How many students are...

**Math**

1x7=7

**Chemistry**

The distribution coefficient between ether and water for aspirin at room temperature is 3.5. What weight of aspirin would be extracted by a single extraction with 60 ml of water from a solution of 10 grams of aspirin in 100 ml of ether? Calculate the weight of aspirin which ...

**Algebra 2**

Standard form for both equation with steps 16x^2-96x+144+25y^2=400 16x^2+192x+576+25y^2=1600

**Probability/Statistics**

The teacher of a mathematics class has written up the final exam, but wants the questions to be random for each student. There are 28 students in the class, and the test has 100 questions. Each question has four possible answers. a. After reading carefully reading the scenario...

**Probability/Statistics**

The teacher of a mathematics class has written up the final exam, but wants the questions to be random for each student. There are 28 students in the class, and the test has 100 questions. Each question has four possible answers. a. After reading carefully reading the scenario...

**Chemistry**

What is the maximum mass of H2O that can be produced by combining 84.4 g of each reactant? 4NH3 (g) + 5O2 (g) -----> 4NO (g) + 6H2O (g) ___________ g H2O ?

**Physics**

Ann, Sam and you take a trip to the orbiting International Space Station, bringing along a hula hoop that is 1.02 m in diameter (= 2R) and has a mass Mh = 2.0 kg. You are watching from a viewport while Sam and Ann go outside for a (space) walk. You see both Sam and Ann ...

**social studies**

I think its C

**please check my english**

I can tell you that the one above me, UnKnown, is 100% correct. I swear on my life.

**Math**

35

**Math**

Student budgeted a $25 a month for phone service. If the telephone company charges $18 a month for basic service and $.05 a minute for each long distance call, how many minutes can be spent on long distance calls each month?

**Math (Ms. Sue! Someone help)**

so bobpursley for question two is that the answer

**please check my english**

Leah is correct, alexis is wrong.

**Physics**

A driver brings a car traveling at 22m/s to a full stop in 2 seconds. How fast does the car uniformly decelerate?

**Physics**

use acceleration of gravitation=gravitational constant*mass/(r^2) use the radius and density to find the mass of the large mountain. Find the distance from the center of the sphere (mountain) to the plumb. Find the acceleration due to gravity in the x horizontal direction on ...

**physics college level**

A 2.0-kg block is projected up a frictionless inclined plane with a speed of 10 m/s. The angle of inclination is 30o . The block goes a distance of _____ up the plane before stopping. Assume g = 10 m/s2

**Physics**

100*(25- distance from fulcrum) + 20*(40- distance from fulcrum)= 500(x- distance from fulcrum) 3300=500x Solve for x. then add to 50 because it's in the opposite side of the fulcrum. At the 50.66 cm mark the 500g mass should be placed

**science**

true

**physics**

Zak, helping his mother rearrange the furni- ture in their living room, moves a 59 kg sofa 2 . 6 m with a constant force of 36 N. What is the work done by Zak on the sofa?

**physics**

Zak, helping his mother rearrange the furni- ture in their living room, moves a 59 kg sofa 2 . 6 m with a constant force of 36 N. What is the work done by Zak on the sofa?

**Math Ms. Sue please**

the answer is 25

**precalc**

sine curve in the form of y = a sin(pi/2x) that passes through the point (2.5,-9.546)

**Algebra**

125

**language arts**

what is verb or verb phrase for Boats might take weeks for the trip across the ocean

**Fractions**

would you eat more if you ate 1/3 of a small pizza or 1/3 of a medium pizza

**physics**

A car is moving at 37 m/s. It slams on its brakes and comes to a stop in 22 m. What was the acceleration from the brakes?

**College Algebra**

Perform the indicated operation and simplify if possible. Assume any factors you cancel are not zero. s/(s^2-5s-24)-4/(s+3)

**Trigonometry**

Point P is located at the intersection of the unit circle and the terminal side of angle theta in standard position. Find the coordinates of P to the nearest thousandth.

**physics**

You didn't do your work you put in a time how am I suppose to see it is correct without work to prove it. You go to math to learn proofs so use the skill if you are going to publish things. Don't be lazy

**PHYSICS!**

A horizontal force of 10 N is applied to the outer edge of a door at an angle of 32° to the door, as shown in a view from the top looking down. The width of the door is 0.80 m. The magnitude of the torque of this force on the door with respect to the hinge is most nearly 2...

**history**

I give up.Bye

**history**

I did and i don't see how they are alike

**history**

so how are they alike???

**history**

And I am sorry ms.sue. I didn't treat you very nice. :(

**history**

so HOW exactly are they alike???

**history**

see, i used the same name and now no one will answer

**history**

Please help.

**history**

How were the Pueblo people like the Anasazi???

**Anasazi**

Thank you.

**Anasazi**

Also, how did the Anasazi create homes that were adapted to their environment?

**Anasazi**

And, ok i will keep the same names for each post from now on. But how can you know that I am using the same computer!!!!???? That is kind of scary!!!!

**Anasazi**

And I used to keep the same posts before and then I think you recognized me each time since you never answered my questions. so i always used different names.

**Anasazi**

what does <g> mean?

**Anasazi**

I have never heard of them before!!!!

**Anasazi**

who is ANA and ARIA???

**Anasazi**

No links please.

**Anasazi**

I need help with my history homework.

**Anasazi**

1) How where the Anasazi able to grow crops in their dry land?

**boring history**

geeeee thanks. It took you two dingbats THAT long!!!!! scoff!!!!! Just kidding thank you

**boring history**

can someone please help me???

**boring history**

why was the aztec civilization considered warlike???

**science**

How far will 490 j raise a block weighing 7 n

**6th grade math**

liam is planting 30 bean plants and 45 pea plants in his garden. If he puts the same number of plants in each row and if each row has only one type of plant, what is the greatest number of plants he put in one row?

**Physics**

An apple is placed 17.0 cm in front of a diverging lens with a focal length of magnitude 23.2 cm. What is the image distance i of the image of the apple through this lens? What is the magnification of the image of the apple? Wwhich of the following statements are true and ...

**Physics**

On a sunny day, a 1.20 m long vertical stick in air casts a shadow 1.20 m long. If the same stick is held vertically and touching the flat bottom of a pool of salt water (n=1.71) half the height of the stick, how long is the shadow on the floor of the pool?

**Algebra**

which factors would you multiply first to find the product of 2x5x3? Explain your reasoning.

**English**

13 is R (MLK Jr.) Does anyone know who said, "I'll make a centerpiece out if it."????????

**English**

13 is R (MLK Jr.)

**Physics**

In an Atwood machine, one block has a mass of M1 = 520 g and the other has a mass of M2 = 320 g. The frictionless pulley has a radius of 4.6 cm. When released from rest, the heavier block moves down 51 cm in 1.00 s (no slippage). What is the tension T1? Find the pulley's ...

**Physics**

415V 505V 515V .------------.------------. There are 3 points w/same distance from each other (6x10-3m between each point). What is the magnitude and direction of electric field (E) in the vicinity of the origin (the middle point – 505V) ? Thank you!

**Advanced Algebra 2**

the sides of the triangle are in ratio 2:4:5. If the perimiter of the triangle is 88 meters, determine the legnth of each side.

**Physics**

If a tank is standing up i.e 1.200 dia x 1.100 high with 650 kg inside, How much water pressure to lift it Cheers

**Physics**

Hi, I need to know how much ground water presuure would be required to lift a 1.200m diameter plastic tank weighing 650kg out of the ground please, Please supply the answer in Kpa or psi Cheers

**physics**

Hi Drwls If the tank is standing up i.e 1.200 dia x 1.100 high with 650 kg inside, would the water pressure to lift it be the same Cheers

**physics**

Yes

**physics**

Hi I need to know how much ground water presuure would be required to lift a 1.200m diameter plastic tank weighing 650kg out of the ground please, Please supply the answer in Kpa or psi Cheers

**Physics**

golf club with a mass of 250 g travels at 50 meters per second hits a 40 g golf ball and continues traveling at 35 m/s. What is the speed of the golf ball after impact?

**MATH**

HOW DO I FIND THE LEAST COMMON DENOMINATOR

**math 4th grade**

I just want to say thank you. I tried to get this answer all over the web, eveyone wants money. One site wanted $30. just for 1 answer.

**math 4th grade**

is 80 sq feet the size of a kitchen or is it 8 sq ft

**animals**

What is the population of gentoo penguins?

**reading**

i have a report on william clark due it 2days i need help. FAST!

**Physics**

A football is thrown at 14.0 m/s at an angle of 35.0 degrees. How far away does it land?

**Social Studies**

someone already posted something similar to mine but i think they're in my class and we have way different problems to work on... name if the following involve, seperation in powers, checks and balances, judicial review, federalism, or some combination of these principles...

**Social Studies**

but i cant get the answer... that's why i need help

**Science**

Compare and contrast the particle arrangement (density) of a solid, liquid and gas?

**PHYSICS**

A driver of a 7400 N car passes a sign stating "Bridge Out 30 Meters Ahead." She slams on the brakes, coming to a stop in 10 s. How much work must be done by the brakes on the car if it is to stop just in time? Neglect the weight of the driver, and assume that the ...

**algebra II**

Convert to decimal notation 8.88 * x10^7

**grade 11 physics**

A bomber flying horizontally at 250 m/s releases a bomb 1500m above the ground. At the point of impact, what were the horizontal speed and vertical speed?

**5th grade math**

MAKE A SET OF 12 NUMBERS WITH THE FOLLOWING LANDMARKS MAX: 8 RANGE: 6 MODE: 6 MEDIAN: 5

**english 7th grade**

I am to find the subject complement and linking verb in this sentence. At first we felt overwhelmed by the job ahead of us. Could you please help me understand , the examples in my book are not helping. Thank you

**trig**

using the trigonometric identities find the exact (radical form) value of cos (105 degrees)

**science**

Explain why using standard measurements is useful

**Thermodynamics**

a worker cleans a railroad car with steam of 15000ft^3 car on inside, t=240F P=14.7psia of steam. the car is closed. the steam inside cools until P=12 psia, at which time salad oil is added to tank. find a. heat transfer from steam during cooling, b. amount of liquid water in ...

**physics**

impulse=F/t so impulse=20N/10s = 2 2=40N/t t=20s

**Thermo**

one more question: a worker cleans a railroad car with steam of 15000ft^3 car on inside, t=240F P=14.7psia of steam. the car is closed. the steam inside cools until P=12 psia, at which time salad oil is added to tank. find a. heat transfer from steam during cooling, b. amount ...

**Thermodynamics**

Thank you, seems to make sense, sorry was sure I heard differently in class.