
GEOMETRY
I really need help on this... NA ≅ PA, MO Û NA, RO Û PA, MO = 7 feet what is PO? a.7 ft b.49 ft c.14 ft d.3.5 ft
asked by Sandra on May 6, 2015 
Math
What is 1/2 X 48 X 20 feet
asked by Joyce on April 17, 2013 
geometry
what does 44 feet by 9 feet by 8 feet mean
asked by bob on February 22, 2011 
chemistry
1. A solution of sodium oxalate has a pH of 7.82. The [OH] in mol/L must be which of the following: a) 6.18 b) 1.5 x 108 c) 6.6 x 107 d) 7.82 e) 7.82 2. When 0.93 mol of O2 and 0.56 mol of NH3 are mixed together and allowed to come to equilibrium
asked by tt on August 3, 2011 
math
A 13 feet ladder is leaning against a house. The distance from the bottom of the ladder to the house is 7 feet less than the distance from the top of the ladder to the ground. Find the distance between the bottom of the ladder and the house.
asked by leyry on March 10, 2015 
physics
The Rfactor for housing insulation gives the thermal resistance in units of ft2 °F h/BTU. A good wall for harsh climates, corresponding to about 10 in of fiberglass, has R = 39 ft2 °F h/BTU. a) Determine the thermal resistance (in m2 K/W) in SI units.
asked by mehmet kaya on November 18, 2014 
Math
The largest multistory building built by the Anasazi Indians called the Pueblo Bonito. The shape of its foundation is nearly parabolic, with a base (at the top of the photo) of about 500 feet and a height of about 300 feet. 1. Sketch the multistory
asked by Mike on November 14, 2012 
physic
Hi! could you help this problem please try so many time but, the answer is not correct. Question:The tires on a new compact car have a diameter of 2.0 ft and are warranted for 62,000 miles. (a) Determine the angle (in radians) through which one of these
asked by Chan on November 15, 2009 
Physics
True or false? Are these correct? In a gas kept at a constant temperature, all molecules move with the same speed. FALSE. A hot object has more thermal energy than a similar cold object only because of greater kinetic energy. TRUE. 3. The thermal energy of
asked by Damian on May 14, 2009 
chemistry
Explain why an opened bottle of carbonated water keeps its fizz longer if kept in a refrigerator than if kept at room temperature. a. As time elapses the concentration of CO2 inside a closed refrigerator increases. The increased partial pressure of CO2
asked by krystal on February 21, 2012 
Calculus
Hi, I have a calculus question that I just cannot figure out, it is about volume of cross sections. I would very much appreciate it if someone could figure out the answer and show me all the steps. A solid has as its base the region bounded by the curves y
asked by Michael on March 14, 2012 
Calculus
Hi, I have a calculus question that I just cannot figure out, it is about volume of cross sections. I would very much appreciate it if someone could figure out the answer and show me all the steps. A solid has as its base the region bounded by the curves y
asked by Michael on March 14, 2012 
chem
If you pour equal amounts of scalding hot water into different metallic cups of equal temperature, which cup will heat up the most? Rank the cups from hottest to coldest. Rank from warmest to coolest final temperature. 500g cast iron cup 500g gold cup
asked by mira on February 1, 2013 
Math
I don't understand this question, could someone solve/walk me through this? One afternoon in Fort Simpson, Northwest Territories, the air temperature was −10ºC and the wind speed was 25 km/h. The air temperature dropped by 5ºC in the evening, but the
asked by Dennis on February 5, 2014 
College Physics
Common light bulbs have a mental filament made of tungsten and when a current passes through it, it radiates visible light, as well as heat. If initially the filament's resistance is 2.45 Ω (6%) at 20 degrees Celsius and the temperature coefficient of
asked by Jas on February 10, 2009 
chemistry
When ice at 0C melts to liquid water at 0C, it absorbs 0.334 kj of heat per gram. Suppose the heat needed to melt 31.5 g of ice is absorbed from the water contained in a glass. If this water has a mass of .210 kg and a temperature of 21.0C, what is the
asked by Capacino on June 24, 2009 
6th grade math
Can you check these, please? 1. A spool contains 18.5 feet of rope. Bob cuts off a piece of rope. There are 13.8 feet of rope left on the spool. Write 3 equations that could used to determine the length of the rope (r) Bob cut off. Ans 1: r + 13.8 = 18.5
asked by Alex on November 21, 2013 
Math
The velocity (feet per second) of an object is given by the equation v = 3(2t + 1)0.4. What is the equation for the acceleration of the object? What is the equation for the displacement of the object? The displacement is initially 25 feet. What are the
asked by Jacob on March 12, 2014 
math
the scle drawing of a close is 3 inches wide by 4.2 inches long. the original closet is 10 feet wide. how long is the original closet in feet? how long is the original closet in yards?
asked by Erick on November 4, 2012 
Chemistry
Label the following changes as CHEMICAL or PHYSICAL change 1. Fat reacting with sodium hydroxide 2. Chemical A originally is buoyant in water; after it mixed with HCI, the new substance now sinks in water Label the following reactions as exothermic or
asked by Megan on January 13, 2017 
Science (Chemistry)
The total pressure in a flask containing air and ethanol at 25.7C is 878 mm Hg. The pressure of the air in the flask at 25.7C is 762 mm Hg. If the flask is immersed in a water bath at 45.0C, the total pressure is 980 mm Hg. The vapor pressure of ethanol at
asked by Bob on February 2, 2008 
physics
During an allnight cram session, a student heats up a 0.360 liter (0.360 x 10 3 m3) glass (Pyrex) beaker of cold coffee. Initially, the temperature is 18.1 °C, and the beaker is filled to the brim. A short time later when the student returns, the
asked by help on September 10, 2015 
Physics
During an allnight cram session, a student heats up a 0.360 liter (0.360 x 10 3 m3) glass (Pyrex) beaker of cold coffee. Initially, the temperature is 18.1 °C, and the beaker is filled to the brim. A short time later when the student returns, the
asked by can anyone help me with this on September 11, 2015 
physics
The Rfactor for housing insulation gives the thermal resistance in units of ft2 °F h/BTU. A good wall for harsh climates, corresponding to about 10 in of fiberglass, has R = 45 ft2 °F h/BTU. a) Determine the thermal resistance (in m2 K/W) in SI units.
asked by Anonymous on November 12, 2014 
Physics
Bryan tosses a 75.0 g rock into the lake. The rock leaves hus hand at a height of 175 cm above the ground travelling at 19.0 m/s. How high above the ground will the rock travel if it is accidentally thrown straight up? How high above the water will it
asked by Holly on January 16, 2014 
Math
Gerald jumped a distance of 10 1/4 feet at the field events during the district track meet. Juan jumped a distance of 1 1/3 feet less than Gerald. What distance did Juan jump at the track meet? A.9 1/12 B.9 2/7 C.8 11/12 D.11 7/12 C Tory has successfully
asked by Jerald on April 16, 2013 
Geometry ( helllppp pleaaassse )
A point on the ceiling of a room is 12ft. from each of the vertices of a triangle on the floor whose legs are 6ft. A and 8ft. respectively. find the length of the ceiling. 2. With a 12ft. pole marked in feet, how can one determine the foot of the
asked by Anonymous on May 1, 2016 
Math (pleaseeeee answer I'm confused)
1. A point on the ceiling of a room is 12ft. from each of the vertices of a triangle on the floor whose legs are 6ft. A and 8ft. respectively. find the length of the ceiling. 2. With a 12ft. pole marked in feet, how can one determine the foot of the
asked by Kaye on April 30, 2016 
Science
1. The air temperature is 10°C and the air contains 2.87 grams of water vapor. What is the relative humidity? Saturation mixing ratio of air parcel at 10°C is 7g/kg 2.87 / 7 x 100% = 41% 2. If the temperature of the air parcel in question 11 drops 10°C,
asked by Sam on September 25, 2018 
thermal physics
An automobile tire has a volume of 1.60 x 102 m3 and contains air at a gauge pressure (pressure above atmospheric pressure) of 167 kPa when the temperature is 0.00°C. What is the gauge pressure (in kPa) of the air in the tires when its temperature rises
asked by sweety on April 2, 2009 
9th Grade Math
Naulluq is cutting ice blocks from the lake for her mothers drinking water tank. The cylindrical tank has a volume of 4x^2π. Once each block has melted, it will have a volume of 3x^2. How many blocks does she need to cut so that her mothers tank will be
asked by Troy on February 10, 2015 
physics
When an openfaced boat has a mass of 5750kg, including its cargo and passengers, it floats with the water just up to the side on a freshwater lake. (a)What is the volume of this boat? (b) The captain decides that it is too dangerous and wants to throw
asked by Sarah on December 8, 2009 
physics
lake point tower in chicago is the tallest apartment biulding in the united states (although not the tallest biulding in which there are apartments). supose you take the elevator from street level to the roof of the biulding. the elevator moves almost the
asked by Adriana on January 6, 2011 
History
Brigham Young chose the Great Salt Lake valley because of its _________ (9 letter word) http://unicomm.byu.edu/about/brigham/ Scroll down and go to page 4. http://www.pbs.org/weta/thewest/people/s_z/young.htm http://en.wikipedia.org/wiki/Brigham_Young Be
asked by Carl on February 13, 2007 
math
Statuary Hall is an elliptical room in the United States Capitol Building in Washington, D.C. The room is also referred to as the Whispering Gallery because a person standing at one focus of the room can hear even a whisper spoken by a person standing at
asked by Lucy on June 10, 2018 
College Physics
In designing rotating space stations to provide for artificialgravity environments, one of the constraints that must be considered is motion sickness. Studies have shown that the negative effects of motion sickness begin to appear when the rotational
asked by Dawn on October 2, 2010 
physics
In designing rotating space stations to provide for artificialgravity environments, one of the constraints that must be considered is motion sickness. Studies have shown that the negative effects of motion sickness begin to appear when the rotational
asked by Anonymous on November 7, 2012 
physics
In designing rotating space stations to provide for artificialgravity environments, one of the constraints that must be considered is motion sickness. Studies have shown that the negative effects of motion sickness begin to appear when the rotational
asked by jessica on December 19, 2010 
Trigonometry
1) Two people are 3.21 miles apart and both spot a hot air balloon. One person observes the balloon at an angle of elevation of 25 degrees and the other observes the balloon at an angle of elevation of 38 degrees. Determine the altitude of the ballon and
asked by Kalina on July 21, 2012 
physics
Periodic waves spread out over the surface of a lake where two women, Jenny and Melissa, are fishing in separate boats 65 meters apart. Each woman's boat bobs up and down 19/min. At a time when Jenny's boat is at a crest, Melissa's boat is at its lowest
asked by Jay on April 8, 2016 
Physics
Common light bulbs have a mental filament made of tungsten and when a current passes through it, it radiates visible light, as well as heat. If initially the filament's resistance is 2.45 ohm (6%) at 20 degrees Celsius and the temperature coefficient of
asked by Nina on February 10, 2009 
physics
Container A is sealed (not open to the atmosphere) filled with water with an unlimited width and depth. Container A consists of Section 1 and 2. The upper part of Container A, Section 1 has 5 feet of air at 21.83 psi Tube B is 80 feet long and full of air
asked by Anonymous on August 17, 2011 
Geometry
Greg made two similar glass display boxes shaped like triangular prisms. The length of the sides of the base of the first display box is 5 feet, and the length of the sides of the base of the second display box is 10 feet. If the volume of the first
asked by need Help on February 15, 2012 
science
1. Which of the following scales of atmospheric motion is most accurate? a. Microscale—Hurricanes b. Synoptic scale—Dust devils c. Mesoscale—Tornadoes d. Planetary scale—Lake breeze e. Macroscale—Santa Ana answer: c 2. Sea breezes _______. a. Are
asked by are these correct? on October 20, 2018 
Help Somebody please.
Project: Data Analysis The following chart lists the average low, average high, record low, and record high temperatures for the month of April in Denver, Colorado. Day Average Low Average High Record Low Record High April 1 32°F 58°F 6°F 78°F April 2
asked by Morgan S on December 28, 2012 
Urgent!
Project: Data Analysis The following chart lists the average low, average high, record low, and record high temperatures for the month of April in Denver, Colorado. Day Average Low Average High Record Low Record High April 1 32°F 58°F 6°F 78°F April 2
asked by Morgan S on December 27, 2012 
General Chemistry
A 1.50 rubber balloon balloon is filled with carbon dioxide gas at a temperature of 0.00 degrees celsius and a pressure at 1.00 atm. The density of carbon dioxide under these conditions are 1.98 g/L. At 50.0 degrees celsius, the balloon has a volume of
asked by Amena.S on November 25, 2017 
Chemistry
How would you make an irreversible isothermal expansion/compression cycle of a gas closer to a reversible one? 1. Increase the temperature 2. Decrease the number of steps during expansion and compression 3. Increase the difference between internal and
asked by Rachel on January 4, 2012 
Physics
At a given temperature O2 molecules will move (3/2)1/2 faster than O3 molecules on the average. True or False? I'm not sure if it is true or false on this one, but I think its false. If you mix a gas, eventually all the molecules have the same kinetic
asked by Ryan on February 4, 2014 
Chemistry
A 2.461g sample of glutamic acid, C5H9NO4 (147.13 g/mol) was burned in a bomb calorimeter with excess oxygen. The temperature of the calorimeter and the water before combustion was 23.76 °C; after combustion the calorimeter and the water had a
asked by Genevieve on February 27, 2019 
Physics
At what temperature is the rms speed of helium molecules half its value at STP (0 C, 1.0 atm})?(answer in K) I think i need to use V_rms=sqrt3kT/m k=1.38e^23J/K helium has 4g so i think helium molecule is 4/6.02e23 but i don't know how to proceed further
asked by ana on November 22, 2009 
physics
An ideal gas is in equilibrium at initial state with temperature T=137oC, pressure P = 0.75Pa and volume V = 0.75 m3. If there is a change in state in which the gas undergoes an isothermal process to a final state of equilibrium during which the volume is
asked by chuks1234 on October 31, 2015 
Chemistry
A solution contains a mixture of pentane and hexane at room temperature. The solution has a vapor pressure of 235 torr. Pure pentane and hexane have vapor pressures of 425 torr and 151 torr, respectively, at room temperature. What is the mole fraction
asked by Emma on February 11, 2013 
Algebra; Help immediately.
The height of a ball that was batted into the air at 160 feet per second is a function of t, the time in seconds after the ball was hit. The height is determined by subtracting 16 times the square of t from 160 times t. Which equation can be used to find t
asked by Marilyn on May 24, 2012 
chemistry
N2(g) + 3 F2(g) → 2 NF3(g) ΔH° = –264 kJ/mol ΔS° = –278 J/(mol∙K) a. calculate the maximum amount of nonPΔV work that can be accomplished through this reaction at a temperature of 500°C. b. Determine the temperature at which the equilibrium
asked by chamy on April 22, 2012 
Help please? Math 141 (PreCal) (Shapes)
Hi everyone I am lost on how to do this math problem: A. You have 180 feet of fencing with which to construct a rectangular pen. What is the maximum area you can enclose? B. Going back to part A, you decide to build your rectangular pen next to a large
asked by Gio on February 5, 2016 
Chemistry
Mercury, with a freezing point of 38.8°C, is the only metal that is liquid at room temperature. How much heat energy (in joules) must be released by mercury if 1.30 mL of the metal is cooled from room temperature (18.0°C) to 38.8°C and then frozen to
asked by Amalia on May 25, 2011 
math
7. The tennis team is selling key chains as a fundraiser. If its goal is to raise is at least 180, how many key chains must it sell at $2.25 each to meet that goal? Write and solve an inequality. a. 2.25k (greater than or equal to) 180; k (greater than or
asked by john on October 18, 2016 
Math
In this diagram, one person is standing at point A, one person is at point B, and both are looking at a helicopter at point C. The helicopter is 1000 feet above the ground on which the two people are standing. A. If the angle of elevation at point A is 60
asked by PVC on January 26, 2013 
Taylor
To treat a burn on your hand, you decide to place an ice cube on the burned skin. The mass of the ice cube is 12.6 g, and its initial temperature is 10.4 °C. The water resulting from the melted ice reaches the temperature of your skin, 28.1 °C. How much
asked by Aubrey on November 15, 2013 
sci
1. A penny is dropped from the 82nd Floor Observatory of the Empire State Building. The penny will fall from a height of 320 meter (1,050 feet). (a) How long will it take to fall? (b) How fast is it going when it hits the ground? 2. Aim the Mythbuster’s
asked by ray on November 3, 2011 
sci
1. A penny is dropped from the 82nd Floor Observatory of the Empire State Building. The penny will fall from a height of 320 meter (1,050 feet). (a) How long will it take to fall? (b) How fast is it going when it hits the ground? 2. Aim the Mythbuster’s
asked by ray on November 3, 2011 
Math.....
At 1:00 a.m., a homicide detective found the reading of a corpse's body temperature to be 88 degrees Fahrenheit. One hour later, the body temperature is 83 degrees Fahrenheit. If the body has been in a 74 degree Fahrenheit room since its death, what is the
asked by Anonymous on July 16, 2013 
chemistry
A sample of benzoic acid weighting 1.567 g was burned in a calorimeter. If the initial temperature was 22 degrees Celsius,the final temperature was 31.1 degrees celsius, and the heat capacity of the calorimeter was 4.88 kJ/ degrees Celsius, what is the
asked by Kamila on March 22, 2011 
Engineering Math
I don't know where to start on this one. A thermometer is taken from an inside room to the outside, where the air temperature is ten degrees Fahrenheit. After one minute the thermometer reads 40 degrees Fahrenheit, and after two minutes it reads
asked by Erica on September 23, 2016 
Algebra 2
At 1:00 a.m., a homicide detective found the reading of a corpse's body temperature to be 88 degrees Fahrenheit. One hour later, the body temperature is 83 degrees Fahrenheit. If the body has been in a 74 degree Fahrenheit room since its death, what is the
asked by Anonymous on July 10, 2013 
Science help pleaseeeee?!?!
A gas has a volume of 4.25 m3 at a temperature of 95.0°C and a pressure of 1.05 atm. What temperature will the gas have at a pressure of 1.58 atm and a volume of 2.46 m3? A. 356°C B. 82.7°C C. 47.5°C D. 321°C
asked by Science on August 18, 2016 
math
the temperature decreases by 2 degrees celcius every hour for 8 hours. than 4 degrees celcius every hour for 3 hours. what is the overall change in temperature?
asked by caitlyn on February 14, 2018 
physics
An ice sled powered by a rocket engine starts from rest on a large frozen lake and accelerates at +13.0 m/s^2. At t(subscript 1), the rocket engine is shut down and the sled moves with a constant velocity v until t(subscript 2). The total distance traveled
asked by Sela on October 5, 2009 
Chemistry
A sample of unknown metal has a mass of 36.7 g. This metal was placed in boiling water at 96.0oC until the metal had reached the temperature of the water. The metal was then placed in a foam cup with 50.0 g of water in it at 20.0oC. The cup absorbs 42.0
asked by katie on November 10, 2013 
vapor pressure
The total pressure in a flask containing air and ethanol at 25.7C is 878 mm Hg. The pressure of the air in the flask at 25.7C is 762 mm Hg. If the flask is immersed in a water bath at 45.0C , the total pressure is 980 mm Hg. The vapor pressure of ethanol
asked by yayhawknelson on January 22, 2007 
physics help pleaseee
In the figure below, S is a small loudspeaker driven by an audio oscillator with a frequency that is varied from 1000 Hz to 2000 Hz, and D is a cylindrical pipe with two open ends and a length of 55.0 cm. The speed of sound in the airfilled pipe is 344
asked by kelsey on November 16, 2008 
chemistry
Temp  650 Pressure  760mm Hg mass  0.927g volume  ? I need to work out the volume I know that Pv=nRT but I just can't figure this out. I've been told the answer is 176cm3 but I don't get that. Can someone please explain this to me. You don't have
asked by sarah on February 28, 2007 
Chemistry (equilibrium)
C2H6(g) C2H2(g) + 2 H2(g) The ΔH° for the reaction above is +312 kJ. The system is initially at equilibrium. In which direction will the reaction shift in each of the following situations? e) The temperature is decreased. g) He is added at constant
asked by Paige on September 10, 2016 
math
the picnic tables are arranged in row of 5.each table is 6 feet long.there are 3 feet between each picnic table.how long is one row of tables?
asked by marie claude on January 27, 2010 
chemistry
if my reaction is 2Na + 2H2O > 2NaOH +H2, and i have been given 1 gram of sodium, how would i measure the theoretical change in heat of the reaction, assuming the reactants are at room temperature? Look in your text, probably in the appendix, for delta H0
asked by Karn on October 28, 2006 
Mechanical Behavior of Materials
Incandescent light bulbs operate at a temperature of 2500 C when bright and 2200 C when dim. The creep rate of the filament when bright is 1.5 times that when dim. Assuming that the activation energy is constant within this temperature range, and that a
asked by please HELP on December 9, 2015 
Chemistry(Please check, thank you!!)
For my rate of reaction experiment I have to answer the question "why did we ask you to measure the room termperature and temperature of reaction solutions". For the experiment we used 5 flasks and we put one of them in an ice bath at 610 degrees C. My
asked by Hannah on February 28, 2012 
physics
When a block of ice at zero degrees Celcius melts, the ice absorbs energy from its environment. As the ice is melting, the temperature of the block (remains the same, increase decrease) I think it remains the same. A sample of liquid ethyl alcohol is
asked by Anonymous on November 23, 2007 
Chemistry
Consider a 9% by mass aqueous ethyl alcohol solution. a.) Calculate the molality of this solution_____m b.) Given that ethyl alcohol is a molecular solute, calculate the freezing point of this solution. ________ degrees Celsius. c.) Consider the boiling
asked by amber on June 24, 2014 
business research
a. Employee job satisfaction (high, normal, low) and employee success (02 promotions, 35 promotions, 5+ promotions) are to be studied in three different departments of a company. b. Consumers making a brand choice decision between three brands of coffee
asked by CL on December 16, 2010 
algebra
1. There are 4 pounds of lawn seed to a bag. Three pounds of lawn seed covers 1800 square feet. How many bags are needed to cover 8400 square feet? Write and solve a proportion. So the only part of the proportion I currently have written is: 1800/ = 8400/x
asked by emmalee on April 27, 2015 
Chemistry
I got 0.907 KJ for ΔHcomb but I don't know if its correct. I also don't know how to write the equation.  question: A calorimeter is filled with 10.0 mole of methane gas and an excess of oxygen. When burned, the ignition wire releases 107.2 J of
asked by Liz on July 16, 2014 
phy
(Q1)determine the quantity of heatconducted in 30min through an iron plate2.0cm thick and 0.10m2 in area if the temperature of the two sides are 0c and 20c.the coefficent of thermal conductivity is 50.4j/smc (a)91000000j(b)23000000j(c)41000000j(d)33000000j
asked by ikye on July 3, 2013 
calculus 3
A ball is thrown northward into the air from the origin in three dimensional space ( the xy plane is the ground, the positive yaxis points north, positive xaxis is east and the positive z – axis is height above the ground ). The initial velocity of the
asked by cano on October 4, 2010 
calculus
Time (months) 0 1 2 3 4 5 Rate pollutants are escaping 2 5 7 16 24 34 Use this data to sketch a graph Draw rectangles on this graph (as in Figure 5.2) to help you underestimate the total pollutants that escaped during the first month. What underestimate
asked by Erika on November 7, 2010 
chemistry
If I contain 3 moles of gas in a container with a volume of 60 liters and at temperature of 400 K, what is the pressure inside the container? Ideal Gas Law: PV=nRT I know I'm given the volume, temperature, and numbers of moles of gas, but how do I know
asked by kara on May 30, 2015 
Human Physiology
Bill damaged the spinothalamic tract on the right side of his spinal cord at the thoracic level. What would be impaired? 1) touch sensation of the right leg 2) touch sensation of the left leg 3) temperature sensation of the right leg 4) pain sensation of
asked by Cari on November 13, 2011 
Physics
A) On a calm, bright day, you're scuba diving in a deep lake (n = 1.33), 6.00 m away from your sailboat in the horizontal direction. When you are 2.20 m below the surface, the top of the sailboat mast appears to you to be in a direction 36.0° from
asked by Ted on January 14, 2015 
English
Which sentence does not contain a preposition? Donald went on the frozen lake and icefished with local residents. PinetopLakeside has beautiful golf courses and offers many recreational activities. We enjoyed looking at the world’s largest stand of
asked by Caitlyn on December 16, 2018 
Calculus, Riemann Sums
Measurements of a lake’s width were taken at 15foot intervals, as shown: x= 0 15 30 45 60 75 90 105 120 f(x)= 0 15 18 20 19 23 24 22 12 Estimate integral (0,120) f(x) dx with n = 4, using Midpoint approximation. For this question, I ended up with 7200
asked by Pax on May 12, 2015 
Physics/Math
An iceboat is at rest on a frictionless frozen lake when a sudden wind exerts a constant force of 212 N, toward east, on the boat. due to the angle of the sail, the wind causes the boat to slide in a straight line for a distance of 7.0 m in a direction
asked by Technoboi11 on March 5, 2007 
physics
need HELP!! which of the following exhibits parabolic motion a. stone thrown into a lake b. space shuttle orbiting Earth c. leaf falling from a tree d. train moving along a flat track which of the following does NOT exhibits parabolic motion a. frog
asked by y912f on February 12, 2009 
Math (Riemann Sums)
Measurements of a lake’s width were taken at 15foot intervals, as shown: x= 0 15 30 45 60 75 90 105 120 f(x)= 0 15 18 20 19 23 24 22 12 Estimate integral (0,120) f(x) dx with n = 4, using Midpoint approximation. For this question, I ended up with 7200
asked by Pax on May 12, 2015 
physics
A car misses a turn and sinks into a shallow lake to a depth of 8.9 m. If the area of the car door is 0.51 m2, what is the force exerted on the outside of the door by the water? Note: 1 atm = 101.325 kPa. What is the force exerted on the inside of the door
asked by katie please help:) on April 2, 2012 
physics please help:)
A car misses a turn and sinks into a shallow lake to a depth of 8.9 m. If the area of the car door is 0.51 m2, what is the force exerted on the outside of the door by the water? Note: 1 atm = 101.325 kPa. What is the force exerted on the inside of the door
asked by Katie on April 1, 2012 
math
The temperature in degrees Fahrenheit is equal to 32 more than 9/5 times the temperature in degrees Celsius. One day the high temp. was 95 degrees Fahrenheit. What was the high temp. in degrees celsius? I did 32+(9/5*35) 32+63=95 so my answer is 35 degrees
asked by B6 on March 27, 2013 
Chemistry
Hey, for chemistry class we are given days in the lab to conduct an experiment, then answer a number of questions that correlate with that experiment and how we can make use of it. This week we looked at the Molar Fusion of Ice and there are some questions
asked by Cody on December 15, 2008 
ALgebra pls check 
can youcheck these write a 2 step equation: half a dollar minus five dollars equals fifteen dollars: n/2 5 = 15 five hours more than one half of an hour equals fifteen hours: n/2 + 5 = 15 two less than three times the number of feet of fencing required
asked by MARKO on November 8, 2011 
Algebra  Mrs Sue can you help
can youcheck these write a 2 step equation: half a dollar minus five dollars equals fifteen dollars: n/2 5 = 15 five hours more than one half of an hour equals fifteen hours: n/2 + 5 = 15 two less than three times the number of feet of fencing required
asked by MarKo on November 8, 2011
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