Friday

May 29, 2015

May 29, 2015

Total # Posts: 872

**phys!!! how do you do this**

Just after opening a parachute of negligible mass, a parachutist of mass 85.5 kg experiences an instantaneous upward acceleration of 1.12 m/s2. Find the force of the air on the parachute.
*October 22, 2012*

**algebrsa**

how do you get vy by itself 0=vy*5.39-.5*9.8*t
*October 17, 2012*

**physicss**

A cube with sides each 3cm long has 8 charges of Q = 25nC at each corner. What is the electric potential \Delta V at the center of the cube with respect to infinity, which is defined to have V=0 V?
*October 17, 2012*

**PHYICS**

how do you get the vy by it self when trying to get tionhe speed in the y direct
*October 17, 2012*

**PHYICS **

A Football is kicked 66.6 meters in 5.39 seconds. What was the initial velocity it was kicked? magnitude and direction above horizontal
*October 17, 2012*

**PHYSICS ASAP!**

I am not comin up with the same answers
*October 17, 2012*

**PHYSICS ASAP!**

A Football is kicked 66.6 meters in 5.39 seconds. What was the initial velocity? Magnitude and Direction
*October 17, 2012*

**PHYICS NEED HELP BAD!**

IT IS NOT COMING OUT RIGHT
*October 17, 2012*

**PHYICS NEED HELP BAD!**

NEED HELP BAD
*October 17, 2012*

**PHYICS NEED HELP BAD!**

A football is kicked 66.6 meters. If it is in the air for 5.39 seconds, with what initial velocity was it kicked? magnitude and direction above horizontal
*October 17, 2012*

**physics**

NEED HElP
*October 17, 2012*

**physics**

A football is kicked 66.6 meters. If the ball is in the air for 5.39 seconds, with what initial velocity was it kicked?
*October 17, 2012*

**math**

36+24=60
*October 17, 2012*

**physics**

A baseball player hits a home run over the left-field fence, which is 104 m from home plate. The ball is hit at a point 1.04 m directly above home plate, with an initial velocity directed 28.5° above the horizontal. By what distance does the baseball clear the 3.00 m high ...
*October 16, 2012*

**physics**

A football is kicked 66.6 meters. If the ball is in the air 5.39 s, with what initial velocity was it kicked?
*October 16, 2012*

**physics**

A fox fleeing from a hunter encounters a 0.630 m tall fence and attempts to jump it. The fox jumps with an initial velocity of 7.20 m/s at an angle of 45.0°, beginning the jump 2.18 m from the fence. How far does the fox clear the fence
*October 16, 2012*

**chemistry**

A 2.622 g sample of almonds is ignited and used to melt ice in a can. a. If the almond sample melted 15.24g of ice what is the heat produced in Kcal grams of nuts? d.If the heat from the almond sample was used to heat 100mL of water at 0.0 degree centigrade, what would be the ...
*October 15, 2012*

**Physics**

Two blocks rest on slopes of unequal angles, connected by a rope passing over a pulley. If the blocks equal masses, will they remain at rest? Why? Neglect friction.
*October 14, 2012*

**Physics**

Post this question on homeworkfor5 dot com and get an answer quick
*October 13, 2012*

**Algebra**

homeworkfor5 website has all answers for math
*October 12, 2012*

**rounding decimals**

what is 3.65 rounded to the nearest hundreth?
*October 12, 2012*

**Science**

If 1/10 of 1 percent of the population gets a flu vaccine what will the ratio of people treated be?
*October 9, 2012*

**Math**

If a man is 4ft and cast a 3ft shadow how long of a shadow would an 18ft flagpole cast?
*October 9, 2012*

**math**

i think its 351
*October 5, 2012*

**math**

100×289=200
*October 1, 2012*

**Physics**

Block A has a mass of 2.60 kg and rests on a smooth (frictionless) table and is connected to block B, which has a mass of 2.40 kg, after passing over an ideal pulley, as shown. Block B is released from rest. What is the acceleration of the masses?
*September 30, 2012*

**physics**

Two charges A and B are fixed in place, at different distances from a certain spot. At this spot the potentials due to the two charges are equal. Charge A is 0.22 m from the spot, while charge B is 0.54 m from it. Find the ratio qB/qA of the charges. Help!
*September 30, 2012*

**Physics**

Two charges A and B are fixed in place, at different distances from a certain spot. At this spot the potentials due to the two charges are equal. Charge A is 0.22 m from the spot, while charge B is 0.54 m from it. Find the ratio qB/qA of the charges. Help!
*September 30, 2012*

**math**

maurice puts 130 trading cards in protector sheets. He fills 7 sheets and puts the remaining 4 cards in an eighth sheet. Each of the filled sheets has the same number of cards. How many cards are in each filled sheet?
*September 28, 2012*

**math**

37+33+41=111 111/3= 37
*September 27, 2012*

**math**

Jasmine has 8 packs of candle wax to make scented candles. Each pack contains 14 ounces of wax. Jasmine uses 7ounces of wax to make one candle. How many candles can she make?
*September 27, 2012*

**math**

Bianca is making scarves to sell. She has 33 pieces of blue fabric, 37 pieces of green fabric and 41 pieces of red fabric. Suppose Bianca uses 3 pieces of fabric to make 1 scarf. How many scarves can she make?
*September 27, 2012*

**math**

Ryan has nine 14-ounce bag of popcorn to replace and sell at the school fair. A small bag holds 3 ounces. How many small bags can he make?
*September 27, 2012*

**physics**

a 4.1 kg bucket of water is raised from a well by a rope. The acceleration of gravity is 9.8 m/s^2 If the upward acceleration of the bucket is 2.7 m/s^2 find the force exerted by the rope on the bucket. Use g=9.8 m/s^2
*September 25, 2012*

**Physics**

An elevator starts from rest with a constant upwards acceleration of 1m in the first 1.4 seconds. A passenger in the elevator is holding a 6.3 kg bundle at the end of the vertical cord. what is the tension in the cord as the elevator accelerates. the acceleration of gravity is...
*September 25, 2012*

**chemistry**

I am pretty sure they both form precipitates
*September 19, 2012*

**physics**

If an 8N force is applied to a wall for 2 minutes and the wall does not move, how much work is done?
*September 19, 2012*

**physics**

3.57
*September 12, 2012*

**Health**

Our biological clocks make us feel most sleepy from? A. 9pm-5am B. 6pm-6am C. 10pm-4am D. 12am-7am
*September 4, 2012*

**math**

find the domain of the function
*June 20, 2012*

**discrete mathematics**

problem has to do with three valued logic, ie the values 1, 1/2, 0 interpreted as true, unknown, and false. i need to establish the connectives for the 3 valued logic, construct truth tables for the negation, conjunction, disjunction, the conditional, and biconditional. not ...
*June 6, 2012*

**Biology**

Which is the correct direction of blood flow? a) right atrium --> right ventricle --> pulmonary artery b) right atrium --> left atrium --> pulmonary artery c) left ventricle --> pulmonary artery --> aorta d) left ventricle --> left atrium --> aorta
*May 28, 2012*

**Statistics**

Using a sample of recent university graduates, you estimate a simple linear regression using initial annual salary as the dependent variable and the graduate's weighted average mark (WAM) as the explanatory variable. If the regression model has an estimated intercept of ...
*May 25, 2012*

**math**

6=4x+3
*May 23, 2012*

**math**

a rectangle with the height of 5ft and the suface area of 100 and a bigger ectangle with the height of 10ft how much surface area
*May 19, 2012*

**Soanish-8th grade please check answer**

Thank you Ms. Sue
*May 14, 2012*

**Soanish-8th grade please check answer**

I'm not sure what they're asking in this question- are they asking where you are when you vacation? ¿Dondé te ustedes cuando de vacaciones? Answer-Yo estoy en Florida.
*May 14, 2012*

**Spanish-Please check this-new post**

I'm not sure what they're asking in this question- are they asking where you are when you vacation? ¿Dondé te ustedes cuando de vacaciones? Answer-Yo estoy en Florida. Thank you SRAJ McGin for checking my paragraph earlier
*May 13, 2012*

**Spanish-Help with this question please**

I'm not sure what they're asking in this question- are they asking where you are when you vacation? ¿Dondé te ustedes cuando de vacaciones? Answer-Yo estoy en Florida.
*May 13, 2012*

**Spanish **

I had to write about what I do when I go to the airport. Is this correct Voy al aeropuerto con mi equipaje. Me presento en el mostrador con mi boleto aéreo y mi pasaporte. Registro mi equipaje. Voy con mi maleta de mano y paso por seguridad. Luego de pasar por seguridad...
*May 13, 2012*

**Statistics**

Kyle averages 5 finished accounts a day. His standard deviation is 1 account per day and we want the percentile for a day where he finishes 8 accounts. The percentile will be between…
*April 24, 2012*

**physics**

A 40-kg block of ice at 0°C is sliding on a horizontal surface. The initial speed of the ice is 7.0 m/s and the final speed is 4.7 m/s. Assume that the part of the block that melts has a very small mass and that all the heat generated by kinetic friction goes into the ...
*April 11, 2012*

**physics**

A 40-g block of ice is cooled to −71°C and is then added to 590 g of water in an 80-g copper calorimeter at a temperature of 27°C. Determine the final temperature of the system consisting of the ice, water, and calorimeter. (If not all the ice melts, determine ...
*April 11, 2012*

**physics**

A pair of eyeglass frames are made of an epoxy plastic (coefficient of linear expansion = 1.30 10-4°C−1). At room temperature (20.0°C), the frames have circular lens holes 2.27 cm in radius. To what temperature must the frames be heated if lenses 2.28 cm in ...
*April 11, 2012*

**physics**

A hollow aluminum cylinder 22.0 cm deep has an internal capacity of 2.000 L at 21.0°C. It is completely filled with turpentine at 21.0°C. The turpentine and the aluminium cylinder are then slowly warmed together to 87.0°C. (The average linear expansion coefficient ...
*April 11, 2012*

**math**

how do you draw a rectangle with a perimeter of 10 units?
*April 9, 2012*

**math**

if the odds agaisnt you winning are 1 to 7,what would the probability that you would win?
*April 8, 2012*

**english**

Although her personality had not changed at all is italicized
*April 5, 2012*

**Math**

How many 20" tiles is needed for a 1200 square feet room
*March 30, 2012*

**Physics**

If you happen to be trapped inside a burning building and need to jump out of the window, should you propel yourself upwards first or just let yourself fall? No not perform any calculations. Explain your answer. Air resistance is considered negligible.
*March 20, 2012*

**Physics**

A diver jumps off a 10m diving board with an initial upward velocity of 5.0 m/s. What is the diver's velocity after 1.5 seconds?
*March 17, 2012*

**Math**

(5 * 10^2) * (5.6 * 10^4)
*March 12, 2012*

**Math**

If 5 times a number is increased by 5, the result is 30. find the number.
*March 12, 2012*

**Math**

find the value of the expression. 3x45/9-2(10-6)-4/2
*March 12, 2012*

**Math**

Simplify -9^2 Negative nine squared
*March 12, 2012*

**Science**

Effects on drought, flood and/or bushfire on the Red Wattle bird.
*March 9, 2012*

**physics**

Give 1 word term 1.changing momentum. 2.unimpeded motion of an object. falling under the influence of only gravity. 3.the phenomen that waves bend around the edges of an obstacle. 4.The force per unit charge at a point in an electric field. 5.the vector sum of the force acting...
*March 6, 2012*

**math 2nd grade**

simon ate 3/2 slices of an apple. Did he eat less than a whole apple or more than the whole apple. Draw a picture to show your answer
*February 29, 2012*

**Geometry Please Help!**

Given triangle ABC with vertices A(-6, -2), B(2,8), and C(6, -2). Line AB has midpoint D, line BC has midpoint E, and line AC has midpoint F. Which of the following statements is true? 1. ADEF is only a parallelogram 2. ADEF is a rhombus 3. ADEF is a rectable but not a ...
*February 28, 2012*

**Physics**

The coefficient of kinetic friction between a suitcase and the floor is 0.23. If the suitcase has a mass of 70.0 kg, how far can it be pushed across the level floor with 530 J of work?
*February 27, 2012*

**AlgebraII**

How many cattle are there on the lazy circle double-o bar four square ranch?
*February 18, 2012*

**Physics**

calculate wavelength l (wavelength) V=fl l=341/496=0.6875m min loudness (out of phase) L/2=0.3438m using triangles, b^2=x^2+2.07^2 (let x be the distance hillary walked and b the distance from the farther speaker to Hillary's present position facing the close speaker) we ...
*February 9, 2012*

**Trigonometry**

Which expression is equal to (6x^3+10x^2-4x+10)/(3x-1)? 1.) 2x^2+4x+10+(10/3x-1) 2.) 2x^2+4x+(10/3x-1) 3.) (2x^2)+(8/3x)-(20/9)+(110/27x-9) 4.) 2x^2-4x-10+(10/3x-1)
*February 7, 2012*

**Physics **

A diver running 1.69 m/s dives out horizontally from the edge of a vertical cliff and 3.11 s later reaches the water below. How high was the cliff, and how far from the base did the diver hit the water?
*February 5, 2012*

**Physics**

47.4 m, and 5.26 m
*February 5, 2012*

**Physics **

A diver running 1.69 m/s dives out horizontally from the edge of a vertical cliff and 3.11 s later reaches the water below. How high was the cliff, and how far from the base did the diver hit the water?
*February 5, 2012*

**math**

2/3 = .666 √28 = 5.2915 -31/8 = -.3875 Therefore... -4.9, -31/8, 2/3,√28, 6.17
*February 4, 2012*

**math**

Determine whether the following is a trinomial square x2 - 9x + 81
*February 3, 2012*

**science**

Objects in motion are the result of _____ forces.
*February 2, 2012*

**science**

Stationary objects are the result of ____ forces.
*February 2, 2012*

**math**

The Answer is 319.94 all you do is subtract from the things you have to subtract from.
*January 25, 2012*

**math**

Lol never mind i have it
*January 21, 2012*

**math**

I still dont understand im sorry about that I can figure it out if i had an example
*January 21, 2012*

**math**

Does anybody understans this? You have been assigned a task of estimating the cost of a tree removal. The cost is $25 per foot, up to 50 feet; above that, the cost increases to $50 per foot. You drop the kids off at the swimming pool and see some of your friends basking in the...
*January 21, 2012*

**Science**

I think its because the food gets to its smallest state so it can be absorbed but not sure LOL
*January 11, 2012*

**com156**

Having trouble summarizing and paraphrasing these paragraphs.
*December 13, 2011*

**com156**

Quoting, Summarizing, and Paraphrasing a Source Part 1: Summarizing Review the following passage and summarize it in the box as though you were including this information in a research paper. Use the reference to create an appropriate APA-formatted, in-text citation. ...
*December 13, 2011*

**math**

If A = 52°, b = 9, and c = 14, find a to the nearest tenth.
*November 23, 2011*

**scien**

Density=m/v R.d.=6.5. ; 6500kg/m^3., Volume of cube= 20*20*20/ (100)^3.. Therefore.. M=6500*20*20*20/ (100)^3 = 52kg
*November 22, 2011*

**broward college**

a decrease in demand for a product, holding other things constant, will
*November 20, 2011*

**Physic**

An electric motor rotating a workshop grinding wheel at a rate of 114 rev/min is switched off. Assume the wheel has a constant negative angular acceleration of magnitude 2.10 rad/s2. (a) How long does it take for the grinding wheel to stop?
*November 14, 2011*

**physics**

A golf ball is drive. With an initial velocity of 25 m/s at an angle of 35 degrees with the horizontal find the maximum height the ball reaches above its original height
*November 9, 2011*

**Math**

What is the standard deviation to two decimal places for the following data: 4 6 7 4 5
*November 8, 2011*

**math**

when a 3- digit number is divided by 1-digit, the estimated quotient is 50. Think of two possible numbers that can give this quotient.
*November 2, 2011*

**physics**

a 100Nforce was applied to pull a 20 kg box up on a rough inclined plane that makes ans angle of 30. if the applied force makes an angle of 20 with the inclined plane the find the coefficient of friction when the accleration of the box is 3m/s^2
*November 1, 2011*

**physics**

a 100Nforce was applied to pull a 20 kg box up on a rough inclined plane that makes ans angle of 30. if the applied force makes an angle of 20 with the inclined plane the find the coefficient of friction when the accleration of the box is 3m/s^2
*November 1, 2011*

**physics**

a 100Nforce was applied to pull a 20 kg box up on a rough inclined plane that makes ans angle of 30. if the applied force makes an angle of 20 with the inclined plane and if the coefficient of friction was 0.4 when the accleration of the box is 3m/s^2
*November 1, 2011*

**Math 010**

if carlos has $45 and spends $x for lunch, how much money does he have left ?
*October 26, 2011*

**business**

1. Choose a real or made up example of a company, and describe at least three variable costs the company has
*October 26, 2011*

**English Lit**

We just atarted a unit on analyzing poetry and I have a few questions I'm not sure of-I have all the terms defined 1. What is the dominant sound device used in this line: "I all alone beweep my outcast state" a. alliteration b.assonance c.internal rhyme 4....
*October 12, 2011*