# Diane

Popular questions and responses by Diane-
## Science--Physics--check answers

1. A football player pushes a dummy forwards at a constant 0.85m/s for 11m using 7150 J of energy. The dummy has a mass of 120 kg. Find the force the football player exerts, find the frictional force the dummy exerts. - for my answer I got 1176N as the

*asked on February 3, 2014* -
## Physic (concepts-please check my thoughts)

A net torque applied to a rigid object always tends to produce? a)translational acceleration b) rotational equilibrium c) rotational acceleration d) rotational inertia e) none of these work (c) Torque produces torsion and tends to produce rotation. The net

*asked on December 10, 2006* -
## physics- multiple choice

1. A transport truck pulls on a trailer with a force of 600N [E]. The trailer pulls on the transport truck with a force a) of zero b) of less than 600 N is the truck is slowing down c) equal to 600 N only if the truck is moving at constant velocity d)

*asked on January 19, 2014* -
## physics (please check work)

A uniform rod AB is 1.2 m long and weighs 16N. It is suspended by strings AC and BD. A block P weighing 96N is attached at E, 0.30N from A. The tension force in the string BD has a magnitude. My work: Taking torque around AC string

*asked on December 10, 2006* -
## physics-forces

Kara (55kg) is standing next to her brother Ben (80kg) on a large piece on frictionless ice. Kara decided to push her brother with a force of 200N expecting him to slide across the ice while she remains standing in the middle of the ice rink laughing. a)

*asked on January 20, 2014* -
## physics (work posted)

For a body to be in equilibrium under the combined action of several forces. a) all the forces must be applied at the same point b) all of the forces form pairs of equal and opposite forces c) the sum of the components of all the forces in any direction

*asked on December 10, 2006* -
## Physics-forces

1. NASA launched a 550kg satellite into space. Its engines have a thrust of 8000N. a) What is the downward froce of gravity acting on the rocket at blast off? (is it 5390N?) b) What is the acceleration of the rocket at blast-off? (Hint: Fine Fnet first) 2.

*asked on January 20, 2014* -
## chemistry

explain how you would obtain solid lead carbonate from a mixture of lead carbonate and sodium carbonate powder

*asked on November 25, 2015* -
## chemistry

How many atoms are in 11 molecules of sulfur hexafluoride?

*asked on October 16, 2012* -
## Last physics help question (my thoughts given)

A 160-N child sits on a light swing and is pulled back and held with a horizontal force of 100N. The tension force of each of the two supporting ropes is: a) 60N b) 94N c) 120N d) 190N e) 260N work: weight is down, the pull is back, so the tension must act

*asked on December 11, 2006* -
## Physics questions ( I posted all my work)

A uniform rod AB is 1.2 m long and weighs 16N. It is suspended by strings AC and BD. A block P weighing 96N is attached at E, 0.30N from A. The tension force in the string BD has a magnitude. My work: Taking torque around AC string

*asked on December 10, 2006* -
## physics-forces

Kara (55kg) is standing next to her brother Ben (80kg) on a large piece on frictionless ice. Kara decided to push her brother with a force of 200N expecting him to slide across the ice while she remains standing in the middle of the ice rink laughing. a)

*asked on January 20, 2014* -
## Complete subjects and predicates

Underline the complete subject with one line and circle the simple subject. Underline the complete predicate with two lines and circl the simple predicate. 1. A young girl walks carefully along the rocky shore. 2. Carmen notices the tide going out. 3.

*asked on March 14, 2011* -
## physics

Block A (mass 40 kg) and block B (mass 80 kg) are connected by a string of negligible mass as shown in the figure. The pulley is frictionless and has a negligible mass. If the coefficient of kinetic friction between block A and the incline is μk = 0.27

*asked on November 30, 2012* -
## English Grammar

Which is correct: She is in her office. or She is at her office.

*asked on March 17, 2008* -
## English

Correct punctuation for Boston, Massachusetts Played an important role in American history and politics.

*asked on February 8, 2015* -
## Math

Suppose you toss a coin and will win $1 if it comes up heads. If it comes up tails, you toss again. This time you will receive $2 if it comes up heads. If it comes up tails, toss again. This time you will receive $4 if it comes up heads. Continue in this

*asked on November 2, 2008* -
## Psychology

This the question; Jung believed that the persona, anima/animus, and shadow were some of the archetypes that had evolved so completely that they could be considered separate systems within the personality. Which list below best describes those archetypes

*asked on June 29, 2013* -
## ACCOUNTING

Gardner Manufacturing Company produces a product that sells for $120. A selling commission of 10% of the selling price is paid on each unit sold. Variable manufacturing costs are $60 per unit. Fixed manufacturing costs are $20 per unit based on the current

*asked on January 28, 2013* -
## chemistry

what are the spectator in this equation Ba(aq)+2I(aq)+2Na(aq)+SO4(aq)=BaSO4(s)+2I(aq)+2Na(aq) Isn't it 2I(aq) and the Na(aq)?

*asked on March 17, 2012* -
## physics rework (please help)

A 160-N child sits on a light swing and is pulled back and held with a horizontal force of 100N. The tension force of each of the two supporting ropes is: A uniform plank is supported by two equal 120N forces at X and Y at both ends of the plank.The

*asked on December 10, 2006* -
## physics

I have a question involving the spring costant: A 2-kg block is attached to a horizontal ideal spring with a spring constant of 200N/m. When the spring has its equilibrium length the block is given a speed of 5 m/s. What is the maximum elongation of the

*asked on November 5, 2006* -
## Math

1. What is the experimental probability of rolling a 3? A. 0.11**** B. 0.22 C. 0.30 D. 0.27 2. A quality control expert randomly samples 60 pairs of sunglasses and finds 5 defective pairs. Predict how many defective pairs will be in a shipment of 420

*asked on May 21, 2019* -
## Math 4

There are 20 teachers and 705 students in Corey's school. What is the ratio of teachers to students? How would I solve this problem? PLZ help me! :(

*asked on April 17, 2016* -
## Psychology

I would like for someone to confirm that my choice of answers for these three questions are correct. If there is a incorrect answer out of the three questions that I chose please advise me to the right choice. Thank you! 1). Dr. Casey is evaluating a

*asked on July 7, 2013* -
## math

Which of the following salaries will have a purchasing power of $24,035 if the inflation rate is five percent? A-$25,815 B-$27,523 C-$26,000 D-$25,300

*asked on January 18, 2012* -
## ELA

Underline the verb or verb phrase in each sentence and then identify whether it is an action verb or a linking verb. 1.) The hard-working plumber was early. 2.) Those secretaries appear very busy this afternoon. 3.) The cab driver was driving extremely

*asked on January 24, 2017* -
## psychology

Social skills training programs are interventions in which children are taught specific, discrete behaviors that can facilitate effective social interactions, like making eye contact and asking appropriate questions. Assessments of these interventions

*asked on October 5, 2016* -
## Algebra

Solve the following quadratic equation by completing the square. Simplify the solutions and rationalize denominators, if necessary. x2 + 6x − 17 = 0

*asked on April 12, 2016* -
## math

solve the inequality -5(x-7)

*asked on May 26, 2014* -
## chemistry

How many moles are there in 5 moles of Tungsten(V)oxalate tetrahydrate?

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

Nancy had an income of $26,500 this year. If the inflation rate was 11 percent, what was her purchasing power?

*asked on January 18, 2012* -
## Chemistry

The estimated lattice energy for is CsF2+2347kj/mol. Use the data given to calculate an overall energy change (in kilojoules per mole) for the formation of from its elements. Ea for F = -328 E11 forCs = +375.7 E12 for Cs = +2422 Heat of sublimation for Cs

*asked on November 9, 2010* -
## math

what is the formula for the circumfrence of a circle? C=

*asked on September 23, 2008* -
## Math

Calculate the area of a poster that measures 40 inches by 14 inches? SHOULD BE SQ INCHES it equals 560 sq inches

*asked on September 23, 2008* -
## Math

If a point of a three-dimensional system is labeled with the coordinates (1, 2, -2) what is the Z coordinate? a. 1 b. -1 c. 2 d. -2 This one I am not sure but I think it is d.

*asked on September 23, 2008* -
## Math

Calculate the area of a poster that measures 40 inches by 14 inches? it equals 560 sq ft correct?

*asked on September 23, 2008* -
## Math

Which of the following is the Correct approximate value of "pi"(p)? a. 0.314 b. 1.14 c. 3.14 d. 3.33 I pick C

*asked on September 23, 2008* -
## Math

what formula do you use for calculating the volume of a box? I think it is V=lwh

*asked on September 23, 2008* -
## Math

Complete the following statement in the best way: Before you can solve any formula for area or volume, you must be sure that all your measurements are in the same __________. a. number of digits b. proportion c. decimal value d. Units I believe it is UNITS

*asked on September 23, 2008* -
## Math

If you are calculating the capacity of material that will fit inside a box, you need to measure the _____ edges of the box. a. outside b. inside c. top and bottom d. overall I believe it would be B

*asked on September 23, 2008* -
## Math

Calculate the area of the base of a fountain if the distance from the center of the fountain to the edge of the base is 10ft a. 314 sq ft b. 414 sq ft. c. 514 sq ft d. 614 sq ft I believe the answer is A 3.14(10)(10) = 314 sq ft

*asked on September 23, 2008* -
## Math

You want to install kitchen florr tiles that each measure 12 inches by 12 inches (1sq ft) Your kitchen measures 12 feet by 14 feet, but there is a 2 foot by 4 foot area around the sink that will NOT be tiled. How many tiles do you need? a. 142 b. 150 c.

*asked on September 23, 2008* -
## Math

Area is calculated in _______ dimensions, and volume is calculated in ___________? a. two, two b. two, three c. three, two d. three, three I think the answer is B

*asked on September 23, 2008* -
## Math

Which of the following dimensions of a circle is always smaller than the other two? a. the circumfrence b. the diameter c. the radius d. it depends on the size of the circle I believe the answer is C

*asked on September 23, 2008* -
## Math

What is the area of a square, of the length of any of its sides is 3.5cm? a. 3.5cm2 b. 7cm2 c. 10.5cm2 d. 12.25 cm2 I believe the answer is d 3.5 x 3.5

*asked on September 23, 2008* -
## Algebra

Solve the following quadratic equation by completing the square. Simplify the solutions and rationalize denominators, if necessary. x2 − 9x + 14 = 0

*asked on April 12, 2016* -
## Algebra

The sum of a positive number and 5 is 806 times the reciprocal of the number. Find the number.

*asked on April 12, 2016* -
## Math

Paul's electric bill was three dollars more than one-half his gas bill. If electric bill was ninety-two dollars, what was gas bill

*asked on February 4, 2016* -
## statistic

Suppose the people living in a city have a mean score of 48 and a standard deviation score of 7 on a measure of concerns about the environment. Assume that these concerns are normally distributed using the 50%- 34% - 14% figures. Appoxatmaily what

*asked on September 18, 2014* -
## English

I need to know the prepositions in the following question. The patient is a 42-year-old male with a history of left shoulder osteomyelitis wit resistant pseudomonas from an injury he sustained approximately 20 years ago.

*asked on April 13, 2014* -
## 8th grade math

firefighters have a 35 foot extension ladder. In order to reach 30 feet up a building, how far away from the building should the foot of the ladder be placed? Express your answer in simplest radial form a^2+b^2=c^2 30^2+x^2=35^2 900+x^2=1225 -900 -900

*asked on March 3, 2014* -
## Psychology

Is this a source that you would consider a scholsrly source. Kliff, S. 2012. Seven facts about America’s mental health-care system. The Washington Post.

*asked on July 18, 2013* -
## Psychology

5. Why is confidentiality critical in counseling? (I chose D) A). Clients often share information that is incriminating. B). In order to build a trusting relationship, the client and the counselor need to share privileged information. C). Clients need to

*asked on July 13, 2013* -
## Psychology

I need someone to review my five answers. Inform me if I am correct with my choices as well as correct me if I answered any of them wrong. Thank you! 1) If one wishes to become a professional counselor and has completed the educational requirements and

*asked on July 13, 2013* -
## consumer math

You made $3000 on a part-time job last year. If you expect to make the same amount this year, and the inflation rate is three percent, what is your purchasing power?

*asked on January 18, 2012* -
## English

Grammatically, “agreement” can mean: A) subject/verb agreement B) pronoun agreement C) verb tense agreement D) all the above

*asked on June 2, 2011* -
## Psychology

Describe in detail the two methods of language acquisition.

*asked on October 25, 2010* -
## Algebra 1

sqrt r - sqrt s/ sqrt r + sqrt s =r sqrt r- sqrt rs +sqrt s/ r Can see if I did this right.

*asked on July 4, 2008* -
## algebra

Christine drove 303 miles using 15 gallons of gas. at the same rate, how many miles would she drive using 16 gallons of gas?

*asked on August 19, 2019* -
## Social Studies

1)What is the difference between a federal form of government in a confederal form of government? a. A federal government is democratic, while a confederal government is dictatorial. b. A federal government has a constitution while a confederal government

*asked on May 22, 2019* -
## chem

A greenish blue salt known to be composed of copper and chloride ions is dissolved in DI water. Aluminum metal is used to reduce the copper ions to metallic copper, which is collected, dried and weighed. If the origanal sample has a mass 1.362g and the

*asked on June 16, 2017* -
## Trig/PreCalc

Use an algebraic method to eliminate the parameter and identify the graph of the parametric curve. x=5-3t y=2+t -1

*asked on January 10, 2017* -
## physics

A 1 meter long rod of diameter 1 cm supports a hanging mass of 10^4kg. The rod stretches by 6.2 mm. What is Young's modulus for the rod?

*asked on November 22, 2016* -
## Algebra

An arrow is shot vertically upward from a platform 48 ft high at a rate of 233 ft per sec. When will the arrow hit the ground? Use the formula: h = −16t2 + v0t + h0.

*asked on April 12, 2016* -
## Algebra

he sum of three integers is 193. The sum of the first and second integers exceeds the third by 85. The third integer is 15 less than the first. Find the three integers.

*asked on February 23, 2016* -
## Physics

A grenade is thrown up into the air with an initial velocity of 27 m/s. How long does it take to return to the thrower's hand? I got 5.4 s, but I am very unsure.

*asked on October 9, 2014* -
## HSM

current or proposed law that impacts the delivery of human services.

*asked on July 27, 2014* -
## short physics question

What is the significance of the fact that both the horizontal force and motion are both forwards?

*asked on February 3, 2014* -
## Psychology

If you are counseling a client from a feminist therapy perspective, which of the following would be a likely goal? I chose (1).To transcend the individual and engage in needed social reform) I am not sure. Please correct me if I am wrong. Thanks 1).To

*asked on June 29, 2013* -
## Technical Writing

why wouldn't employees be paid or compensated for extensive overtime? Is the branch following eimployee contractual agreements and agency/branch policies

*asked on June 26, 2013* -
## Algebra

A company allows 0.6% defect rate, the defect average last week was 4 items out of 4400, what is the percent difference between the allowed defect rate and the defect average rate for last week?

*asked on March 13, 2013* -
## physics

A car with a mass of 980 kg is initially traveling east toward an intersection with a speed of vc = 18.9 m/s and a 1500 kg pickup is traveling north toward the same intersection. The car and truck collide at the intersection and stick together. After the

*asked on November 30, 2012* -
## math

Perry made $34,885 this year. If the inflation rate was 6.5 percent, how much was his salary actually worth? (purchasing power)

*asked on January 18, 2012* -
## science

Calculating A sample of barium nitrate is placed into a jar containing water. The mass of the barium nitrate sample is 27 g. Assume the water is at 20 ºC and that the resulting barium nitrate solution is saturated. What mass of water is present in the

*asked on December 21, 2011* -
## algebra

solve using elmination method 2x-6y=2 -8x+6y=26

*asked on May 11, 2011* -
## algebra

How do you determine the point of a solution of the system.The point is 46, 0 2x+10y+92 -6x-2y=24

*asked on May 11, 2011* -
## algebra

Determine whether the point 1.8 is a solution of the system. Subitute the point of each equation. 2x+6y=50 10x+0y=10

*asked on May 11, 2011* -
## Science

How many days will it take for 3/4 of a sample of polonium 210 to decay?

*asked on January 6, 2011* -
## HCS/539

What advertising, publicity, and sales promotion tools might be combined to market a new health care product and service? Provide examples.

*asked on April 11, 2010* -
## English CRT 250

your child is trying to prove that she did not steal chocolate chip cookies from the cookie jar, so she makes this argument: “There are no chocolate stains on my hands, so I couldn’t have stolen the cookies.”

*asked on November 30, 2009* -
## college algebra

Solve for 3x + 6Y - 9z = 3 5x - 7y + 10z = -4 11x +4y - 6z = 2

*asked on July 5, 2009* -
## Chemistry

C3H8 + 5O2 --> 3CO2 + 4H2O which chemical or element has the largest nu,ber of molecules in the above balanced equation? Oxygen? I think

*asked on September 24, 2008* -
## Algebra 1

sqrt r - sqrt s/ sqrt r + sqrt s =r sqrt r- sqrt rs +sqrt s/ r can someone check this for me please.

*asked on July 5, 2008* -
## Critical Thinking

I need help with this one,I'm not sure what to do. Suzy will pass critical thinking only if she begins to study. Compound: No Conditional: No Antecedent: Consequent: Contradictory: Contrapositive:

*asked on November 16, 2007* -
## physics

have a question involving the spring costant: A 2-kg block is attached to a horizontal ideal spring with a spring constant of 200N/m. When the spring has its equilibrium length the block is given a speed of 5 m/s. What is the maximum elongation of the

*asked on November 5, 2006* -
## physics (please check work)

A force of 10N holds an ideals spring with 20-N/m spring constant in compression. The potential energy stored in the spring is: I obtained the answer of 10J. I got thatk= -F/x --> the potential energy of the spring = 1/2kx^2. 10J= 1/2(20N/m)(X)^2. Is that

*asked on November 5, 2006* -
## Physics

Air density @ sea level, 59 degrees, no wind = p = .002377 slugs/ft^3 Coefficient of drag (flat plate, NASA) = C(d) = 1.28 Weight = W = 4451 lbs Gravitation constant = g = 32.2 ft/sec^2 Area = A = 197.5" long x 78.2" wide x (1 ft^2/ 144 in^2) Vehicle falls

*asked on November 19, 2019* -
## Geometry

Unclear if the area of the base is diameter or radius. Thank you. The area of the base of a cylinder is 46 square inches and its height is 11 inches. A cone has the same area for its base and the same height. What is the cone's volume?

*asked on June 20, 2019* -
## Social Studies

What role does the press have in American Democracy? How would society and government be different if there was no guarantee of a free press?

*asked on May 23, 2019* -
## Math

1. P(yellow) a. 1/8 b. 1/6 c. 1/4 d. 1/2 2. P(red or blue) a. 0 b. 1/4 c. 1/2 d. 3/4 I don’t really understand this could someone help me? Thank you, have a wonderful day/night.:)

*asked on May 22, 2019* -
## Math-Compound intersst

Trying to help my 8th grader, but I'm at a loss with this one. Can anyone assist? Thank you. Gwyneth placed $2,000 in an account that warned 10% interest, compounded annually. How many years did she save if she if she had $2,662 in her account?

*asked on February 17, 2019* -
## finance

8. Suppose your Master Card Charges an APR of 16.5%. Your previous statement showed a balance of $600, you made a payment of $200. You then bought $350 worth of electronics, which you charged on your Master Card. Let’s make a spreadsheet a. Suppose in

*asked on May 4, 2018* -
## finance

You have a credit card with an APR of 24%. The minimum payment is 5% of the outstanding balance (but no less than $20). Suppose you have $2000 on the card and you decide to stop charging and pay it off using the minimum payment each month. Use a

*asked on May 4, 2018* -
## finance

You would like to buy a Mazda Miata Convertible for a purchase price of $27,500. You will take out a loan for the entire amount. a. You have excellent credit so you can secure a loan at 5% APR for 3 years. What is your monthly payment? How much will you

*asked on May 4, 2018* -
## finance

4. Alternatively you decide the most you can afford in a monthly payment for a home is $750. You plan on taking out a 30 year loan for 4%. How much can you borrow? What is the total amount of home you can afford? (assume the $20000 down payment listed

*asked on May 4, 2018* -
## Math

B? Which equation has solution x = -3? A) 2x - 7 = -1 B) 3x + 8 = 1 C) 1/2x + 8 = 10 D) 1/2 (2x - 6) = -6

*asked on March 27, 2018* -
## Math

Calculate the area of a circle with a radius of 2 cm and a circle with a radius of 4 cm. Leave your answers in terms of pi. When the radius doubles, does the area of the circle double? A) 4π cm2; 8π cm2; NO B) 4π cm2; 16π cm2; NO C) 4π cm2; 16π cm2;

*asked on March 27, 2018* -
## math

Translate to an algebraic expression 31 less than d

*asked on October 5, 2017* -
## Pharmacokinetics

Gent dose at 10:26am over 30 minutes and levels were reported as 3.6 at 13:07 and 1.2 at 16:59. Calculate k. Help

*asked on February 2, 2017*