A Ferris Wheel, 24.0 m in diameter, rotates once every 12.5s. What is the fractional change in a person's apparent weight: a) at the top, and b) at the bottom?
58,139 results, page 78

Math College 115
According to a 2010 Kaiser Family Foundation report, during 2009 spent almost every waking hour outside of school using electronic devices such as iPhones, computers, or televisions. Those aged 8 to 18 spent an average seven and a half hours a day in 2009 versus six and a half... 
URGENT! Physics
A boy shoves his stuffed toy zebra down a frictionless chute, starting at a height of 1.07 m above the bottom of the chute and with an initial speed of 1.87 m/s. The toy animal emerges horizontally from the bottom of the chute and continues sliding along a horizontal surface ... 
Physics
Every glass window pane has two surfaces that reflect some light as it passes through; why doesn't interference effects show up routinely in every house window? If you could explain this I'd really appreciate it. 
home inspection
which of the following statements is true? A.most home inspection requests come from real estate professionals B.more home inspections are performed for relocation companies than for any other type of client C.the law requires a home inspection prior to every property ... 
physics
a drop of oil vol 0.05 cm3 is released from a medicicne dropper on to a calm surface pond where it spreads out to cover an area of 40 cm 3. Assume oil film is uniform thickness equal to diameter of oil molecule. Calculate the diameter of oil molecule and express in scientific ... 
physics
A yoyo is made of two solid cylindrical disks, each of mass 0.053 kg and diameter 0.073 m, joined by a (concentric) thin solid cylindrical hub of mass 0.0052 kg and diameter 0.012 m. Use conservation of energy to calculate the linear speed of the yoyo when it reaches the end... 
PHYSICS FORCE
A car moving at a speed of 48.0 km/h accelerates 100.0 m up a steep hill, so that at the top of the hill its sped is 59.0 km/h. if the car's mass is 1100 kg, what is the magnitude of the net force acting on it? i already know you have to change it to m/s but what do you do ... 
CHEMISTRY
a gas mixtuer consists of equal masses of methane(molecular weight 16.0) and argon (atomic weight 40.0) if the partial pressure of argon is 26.6 kPa, what is that of methane in the same units? 10.7 26.7 66.7 34.1 I am going with 26.7 Do you agree and why please Thanks Andy 
chem 121
We did a lab separating out the components of a mixture. One of the lab questions is "The weight of naphthalene was obtained by weighing the collected solid. Was this an accurate weight of the naphthalene present in the original sample?" I don't know how to answer this. 
statistics
The average weight of all newborn babies at Dearborn Hospital was estimated by using the average weight of babies born in the month of April. Based on this information, identify: a. A statistic b. A variable c. A data value 
Physics
a uniform beam 6.0m long and weighing 4kg rest support p and q place left and right 1.0m of beam of weight from each of the beam weight of mass 10kg and 8kg and are placed near p and q respectively on each of the beam. calculate the reaction of p and q 
Physics
a uniform beam 6.0m long and weighing 4kg rest support p and q place left and right 1.0m of beam of weight from each of the beam weight of mass 10kg and 8kg and are placed near p and q respectively on each of the beam. calculate the reaction of p and q 
chemistry
If the molecular weight of a protein is given as 90,000 are the units g/mol or simply g? I have seen mixed answers to this question. It will be 90,000 g/mol since 1 mol will have a mass of 90,000. But many simply drop the the mol and say the molecular weight is 90,000 g and we... 
Geometry
How do I figure out the area and perimeter of a square if all I know is the cross (top left corner to bottom right corner) measurement? I have a square with the cross measurement of 8.5 (or 4 X sq root of 2, i rounded to 8.5). The square looks like it is cut in half to look ... 
Physics energy
i just need the answers, free iTunes gift card to the first person to get them all right. 1)> Jane, looking for Tarzan, is running at top speed (5.3m/s) and grabs a vine hanging vertically from a tall tree in the jungle. How high can she swing upward? 2)> In the high ... 
Science
Johnny left a glass of milk on his bedside table for a week, and it spoiled. At the end of the week, the glass contained a yellow liquid with lumpy white chunks, and there was a terrible odor. What can be concluded? a) The milk has undergone a physical change. b) The mass of ... 
MATH
In downtown Victoria there are seven pink houses. Every pink house has seven pick rooms, every pick room has seven cats, and every cat has seven kittens. How many pink rooms are there? How many kittens are there? 
Math
In a large section of a statistics class, the points for the final exam are normally distributed, with a mean of 72 and a standard deviation of 9. Grades are to be assigned according to the following rule: The top 10% receive A's. The next 20% receive B's. The middle 40% ... 
Math
In a large section of a statistics class, the points for the final exam are normally distributed, with a mean of 72 and a standard deviation of 9. Grades are to be assigned according to the following rule: The top 10% receive A's. The next 20% receive B's. The middle 40% ... 
Stats
In a large section of a statistics class, the points for the final exam are normally distributed, with a mean of 72 and a standard deviation of 9. Grades are to be assigned according to the following rule: The top 10% receive A's. The next 20% receive B's. The middle 40% ... 
Physics
Regading my question yesterday about the ball being caught by the man on the scales (Sun. 3:47), I'm now wondering if, to get the final weight on the scales I need to add the actual ball's mass of .50 kg AS WELL AS the force of the ball on the man to his original weight in ... 
math
4. Which view allows you to see the top, front, and right sides of a model? front top base plan isometric 
8th grade science
If you see that a hotair balloon is rising above the top of a hill, what is the top of the hill called? 
science
If you see that a hotair balloon is rising above the top of a hill, what is the top of the hill called? 
Physics
A rock dropped from the top of a building takes 0.55 s to fall the last 50% of the distance from the top to the ground.How tall is the building? 
Physics Calculation
The weight of an apple near the surface of the earth is 1N. What is the weight of Earth in the gravitational field of the apple? 
chemistry
How do you find the molecular weight of hydrogen carbonate and the atomic weight of the unknown metal in the hydrogen carbonate? 
Chemisrty
Temp c KBr 20 65 40 80 60 90 80 100 100 110 At 100 C, 10.5 g KBr/10gH2O = 105 g/100 g (just multiply the top and the bottom by 10 to give you 100 g H2O) B) Since the solubility at 100C is actually 110, no, it isn't saturated (105 is less that 110). C) Yes, because the ... 
STAT 250 Probability
Final averages are typically approximately normally distributed with a mean of 66 and a standard deviation of 10.5. Your professor says that the top 5% of the class will receive an A; the next 15%, a B; the next 47%, a C; the next 22%, a D; and the bottom 11%, an F. (a) What ... 
STAT 250 Probability
Final averages are typically approximately normally distributed with a mean of 66 and a standard deviation of 10.5. Your professor says that the top 5% of the class will receive an A; the next 15%, a B; the next 47%, a C; the next 22%, a D; and the bottom 11%, an F. (a) What ... 
math
Consider a 25×25 grid of city streets. Let S be the points of intersection of the streets, and let P be the set of paths from the bottom left corner to the top right corner of which consist of only walking to the right and up. A point s is chosen uniformly at random from S ... 
math
Consider a 25×25 grid of city streets. Let S be the points of intersection of the streets, and let P be the set of paths from the bottom left corner to the top right corner of which consist of only walking to the right and up. A point s is chosen uniformly at random from S ... 
math
Consider a 25×25 grid of city streets. Let S be the points of intersection of the streets, and let P be the set of paths from the bottom left corner to the top right corner of which consist of only walking to the right and up. A point s is chosen uniformly at random from S ... 
math
Consider a 25×25 grid of city streets. Let S be the points of intersection of the streets, and let P be the set of paths from the bottom left corner to the top right corner of which consist of only walking to the right and up. A point s is chosen uniformly at random from S ... 
math
Consider a 25×25 grid of city streets. Let S be the points of intersection of the streets, and let P be the set of paths from the bottom left corner to the top right corner of which consist of only walking to the right and up. A point s is chosen uniformly at random from S ... 
maths
Consider a 25×25 grid of city streets. Let S be the points of intersection of the streets, and let P be the set of paths from the bottom left corner to the top right corner of which consist of only walking to the right and up. A point s is chosen uniformly at random from S ... 
phys
When a car is weighed, it is allowed to move over a scale which records a reading as the front wheels go over the scale, and a second reading when the rear wheels go over the scale. The weight of the car is equal to A) the weight under the front wheels. B) the weight under the... 
Pre algebra
Which detail is in the play "Joe magarac" and the "hunkietown contest" that is not in the short story "Joe magarac, man of steel"? A. Mary helplessly watches as the contestant from Johnstown lifts 850pounds weight. B. The man from Johnstown grabs Mary and starts to take her ... 
Physics
Three different masses are attached to a spring which hangs down vertically from the ceiling. A metric ruler hangs from the ceiling next to the spring and measures how far from the ceiling the sping hangs. When a 110 N weight is attached to the spring, the spring reaches the ... 
physics plz
Can you help please Question1: A car makes a banked turn on a "real" road (meaning you can not ignore friction), which of the following are forces that act on the car: (for full credit you must select ALL that are true) A)centripetal force B) friction C) normal force from the ... 
Geometry
A spherical storage tank has a diameter of 48 ft and is full of water. How many delivery trucks with cylindrical tanks measuring 8 ft in diameter and 10 ft long can be completely filled from the storage tank? A) 230 trucks B) 115 trucks C) 86 trucks D) 1152 trucks 
Math Help!!!
The triangles below are similar. Find the value of x. The first triangle has 14 on the right and left side and 18 on the bottom. The second triangle has 7 on the right and left side and x on the bottom. A. 9 B. 8 C. 10.5 D. 11 Is the answer B? 
physics
a parent pushes a kid on a swing, A) If the child on the swing rises 2m above the lowest point during each cycle, what is her speed at the lowest point of the swing? B)If the beginning of a cycle (2m above the lowest point) the child is given a push so that her starting speed ... 
Math
Sam starts from point A at 8:00am and hikes up a mountain path. He arrives at the top, (point B) at 4:00pm. He camps there for the night and the following morning he starts his descent at 9:00am. He travels faster since he goes downhill and arrives at the bottom (point A) at 3... 
PreCalc
A page that is x inches wide and y inches high contains 30 square inches of print. The margins at the top and bottom are 2 inches and the margins on the side are 2 inch wide. A. show that the total area A on the page is A=2x(2x+7)/(x4) B. determine the domain of the function ... 
statistics
In the game of roulette, a wheel consists of 38 slots numbered 0, 00, 1, 2,..., 36. To play the game, a metal ball is spun around the wheel and is allowed to fall into one of the numbered slots. If the number of the slot the ball falls into matches the number you... 
Chemistry
I have a series of questions: What describes the arrangement of elements which repeat similar properties? Isn't the answer periodic table. next question who is the father of modern day periodic based on xray diffraction? Isn't the answer Dmitri Mendleev next question when the... 
Math
1)Forty solid hemisphere each of diameter 2cm , are melted to form a solid cone with a base diameter 6cm .Find the height of the cone? 2)A pyramid has a square base of side 12cm and a height of 15cm .Calculate its volume and total surface area? 
Physics, please help!!!!
A 3.00 kHz tone is being produced by a speaker with a diameter of 0.175 m. The air temperature changes from 0 to 29°C. Assuming air to be an ideal gas, find the change in the diffraction angle My solution v directly proportional to sqrt T v = sqrt 302 =17.382 lambda = v/f = ... 
Geometry
One can of pumpkin pie mix will make a pie of diameter 8 in. If two cans of pie mix are used to make a larger pie of the same thickness, find the diameter of that pie. Use sqrt 2 is equal to about 1.414 
physics
A person standing on a vertical cliff a height h above the lake wants to jump into the lake but notices a rock just at the surface level with its furthest edge a distance s from the shore .The person realizes that with a running start it will be possible to just clear the rock... 
physics
A person standing on a vertical cliff a height h above the lake wants to jump into the lake but notices a rock just at the surface level with its furthest edge a distance s from the shore .The person realizes that with a running start it will be possible to just clear the rock... 
Maths
the angles of of evolution of the top of a hill from the City centres of two towns on either side of the hill are observed to be 30Â° and 60Â° respectively. if the distance of hill of the top from the city centre of first is 9 kilometre find in kilometres the distance ... 
Calculus
This is a definite integral question. Evaluate the following integral: (0)S(a)((x)((a^2  x^2)^(1/2)))dx with a being a constant and the (0) being at the bottom of the integral notation and (a) at the top. S is the integral notation. I firstly checked whether the function was ... 
English
Which of the following would most likely be an entry in a sentence outline? A. Education tool B. Education can change a person's life C. Education as a pathway D. Education beyond high school versus education beyond college My answer was D I got it wrong Would it be a 
Function: Rate of Change
Joe is investigating the rate of change of the function y=cos x on the interval xE[0,2π]. He notices that the graph of y=cos x passes through the xaxis at 45°. He also determines the instantaneous rate of change at x = 0, π, and 2π by inspection. Based on this... 
function rate of change
Joe is investigating the rate of change of the function y=cos x on the interval xE[0,2π]. He notices that the graph of y=cos x passes through the xaxis at 45°. He also determines the instantaneous rate of change at x = 0, π, and 2π by inspection. Based on this... 
PHYSICS
The input piston of a hydraulic press is 20mm in diameter, and the output piston is 10mm in diameter. an input force of 1.0N will produce an output force of: a 0.25N b 0.50N c 2.0N D 4.0N 
PHYSICS
The input piston of a hydraulic press is 20mm in diameter, and the output piston is 10mm in diameter. an input force of 1.0N will produce an output force of: a 0.25N b 0.50N c 2.0N D 4.0N 
PHYSICS
The input piston of a hydraulic press is 20mm in diameter, and the output piston is 10mm in diameter. an input force of 1.0N will produce an output force of: a 0.25N b 0.50N c 2.0N D 4.0N 
PHYSICS
The input piston of a hydraulic press is 20mm in diameter, and the output piston is 10mm in diameter. an input force of 1.0N will produce an output force of: a 0.25N b 0.50N c 2.0N D 4.0N 
Physics
A bicycle is turned upside down while its owner repairs a flat tire. A friend spins the other wheel and observes that drops of water fly off tangentially. She measures the heights reached by drops moving vertically. A drop that breaks loose from the tire on one turn rises ... 
statistics
The weight of 14 healthy newborn children was measured. The sample mean was 7.5 pounds with corresponding standard deviation 1.2 pounds. These babies are from one hospital and we want to test whether the babies born at this hospital are different in weight from the babies born... 
math
How do you change a decimal to a fraction?? you change a fration to a decimal by diving the fraction right? HOW DO YOU CHANGE A FRACTION TO A PERCENTAGE? In order of your questions, the answers are: (1) yes, (2) yes (divide numerator by denmonimator) and (3) First convert to a... 
Physics.
A hilly road has a 20 m radius top to one of its hills. What is the minimum speed for a car to just leave the road at the top of this hill? 
math
the top of a hill is 40m tall. the horizontal distance from the runaway is 325 m. if the pilot clear the top of the hill by 45 m, what is the angle of takeoff? 
Maths
The top of a T .V .tower casts a shadow 35 metres long when the angle of elevation of the sun 57 degree40 minutes.How high is the top of the tower? 
Calculus Please Help
Given the numerical values shown for the function f(x), find approximate values for the derivative of f(x) at each of the xvalues given. x= 0 1 2 3 4 5 6 7 8 f(x)= 13 15 16 17 17 14 11 9 7 f'(x)= 2 1 1 1 0 3 3 2 2 What seems to be the greatest rate of change of f(x)? rate... 
math
for every person who has the flu, there are 6 people who have only flu like symptoms. if a doctor see 40 patients, determine approximately how many patients you would expect to have only flu like symptoms. 
English
Timmy Turner was rushing to get to school because he was going on a field trip. Timmy felt so happy and excited that he was going on his first field trip of the year. Timmy thought that everything was going to go good that day. a)first person b) second person c) third person I... 
Calc 2
The figure shows a semicircle with radius 1, horizontal diameter PQ, and tangent lines at P and Q. At what height above the diameter should the horizontal line be placed so as to minimize the shaded area? I would post the figure but the website is not allowing it. I've tried ... 
chemistry
A metal ring with a mass of 18.36 g undergoes a change in temperature of 26.37 oC. The energy change, or heat, required for this change in temperature is 1508 Joules. What is the specific heat of the ring? 
Algebra
During a promotional weekend, a state fair gives a free admission to every 175th person who enters the fair. On Saturday, there were 6,742 people attending the fair. On Sunday, there were 5, 487 people attending the fair. How many people received a free admission over the two ... 
Business Communication
When someone complains about a problem, is it a good idea to quickly suggest a solution? A. Yes, because a quick suggestion shows you think quickly. B. Yes, because offering a solution shows that you care about the other person. C. No, because the other person may not be ready... 
physics
two people push in opposite directions on a block that sits atop a frictionless surface. The soles of their shoes are glued to the surface. if the block originally at rest moves to the right a distance of d. Describe qualitatively how much work is done by the person on the ... 
earth
#11 The state fossil of Nevada is the "Ichthyosaur", a dinosaur that lived in salt water. Why are so many of these fossils found in Nevada? a)lake mead once covered most of Nevada b)Nevada was once covered by oceans c)Ichthyosaur left the water to die d)ichthyosaurs were ... 
psychology
What are the apparent symptoms of anxiety in terms of physiological, behavioral, and cognitive indicators? If both a parent and a child experience anxiety in similar situations, how would you account for the influences of heredity, preparedness, and vicarious conditioning? 
PSYCHOLOGY
what are the apparent symptoms of anxiety in terms of physiological, behavioral, and cognitive indicator? if both a parent and a child experience anxiety in similar situations, how would you account for the influences of heredity, preparedness, and vicarious conditioning 
MaTh
need help with word problem The Parks Department is planting a circular garden in the city park. The diameter of the garden is 10 feet. The concrete mowing strip is around the garden is one foot wide. What is the area of the mowing strip? A= 3.14 x 6 square radius is 6,half ... 
English
I forgot to include the very last sentences of the day. Thank you very much. 1) Every week a person in Britain uses three plastic bags. They are strong and don’t disappear. They can last hundreds, possibly thousands of years. 2)They are called white pollution in China. In ... 
physics
A ball is thrown straight up in the air A) What is its velocity at the top of its path? B) What is acceleration at the top of its path 
Developing Healthy Eating Habits
1. Which one of the following choices can be added to increase the "creaminess" and nutritional value of soups without adding fat? A. Nonfat milk B. Creamed corn C. Pureed root vegetables D. Cornstarch A? 2. Sports beverages should ideally contain A. water, sodium, and ... 
PHYSICS
Hi! I have some questions from a study guide in my physics class, and they give me the answer, but I have to show how to get the answer. I did most of them, but need help with this. All I need is a formula, please. :)Thank you! Here it is: A skier with a mass of 60.0 kg pushes... 
science
A test liquid has a density of 1.1 g/ml. When you pour some of it into a cup of water,what will happen (assuming that their natures are such that they don't mix and that there is no chemical reaction between the two substances)? A.the test liquid will float on top of the water... 
Physics
A 60.5kg person, running horizontally with a velocity of +3.76 m/s, jumps onto a 10.4kg sled that is initially at rest. (a) Ignoring the effects of friction during the collision, find the velocity of the sled and person as they move away. m/s (b) The sled and person coast 30... 
physics
A 60.0 kg person, running horizontally with a velocity of 3.80 m/s, jumps onto a 12.0 kg sled that is initially at rest. a) Ignoring the effects of friction during the collision, find the velocity of the sled and person as they move away. b) The sled and person coast 30.0 m on... 
Physics
A Blowhard Tests of lung capacity show that adults are able to exhale 1.5 liters of air through their mouths in as little as 1.0 second. A. If a person blows air at this rate through a drinking straw with a diameter of 0.49cm , what is the speed of air in the straw? v = ___ m/... 
math
Two friends decide to cycle to a picnic spot the first person cycles 5 and a 1/2 km/hour and 2nd cycles 6 and a3/4 km/hour to make up for being slow the first person starts out two and half hour earlier after how much time and distance will the 2nd person catch up with the ... 
chemistry kinetics
1. StatementI : Fractional order reactions are not elementary reactions. StatementII : For an elementary reaction, order must be same as molecularity. are these statements true? give reason. 
physics
A rock is tossed straight up with a speed of 29m/s. When it returns, it falls into a hole 13m deep. Solve for rock's velocity as it hits the bottom of the hole. &How long is the rock in the air, from the instant it is released until it hits the bottom of the hole? 
english
Can soneone help me to combine each of the following groups of simple sentences into two longer sentences. Thanks 1. Darryl works as a model. He has to look his best. He gained ten pounds recently. He had to take off the extra weight. He would have lost his job. 2. My aunt ... 
Math real numbers
Which statement is false? A) the number zero is a rational number. B)some irrational numbers are also rational numbers. C)Every irrational number is a real number. D) every integer is a rational number These questions get me every time:( I think it is D but I'm not sure. 
math algebra
Can someone help me with this question? A can in the shape of a right circular cylinder is required to have a volume of 1,000 cubic centimeters. The top and bottom are made up of a material that costs 10¢ per square centimeter, while the sides are made of material that costs ... 
physics
Determine if the tow truck below must use mode 4 drive streets to climb the slope and the weight of the tow car is 3500kg weight of the car is 1800kg Coefficient of friction between the tires and the roadway is 0.3 
Math
ted sells his homemade peanut butter for 1.60 a jar at the local farmers Market the jar is 8 cm in diameter and 10 cm high he decides he will also sell peanut butter in jats that are 16 cm in diameter and 20 cm high.What should he charge if he uses the same price per cubic ... 
Number stories
Aswan,Egypt is the driest inhabited place in the world.The average annual rain fall is 0.02 inch.Is this more or less than 1/4 inch per year? How do you solve this problem? This is a triple post. You need post only once. Posting more than once gets us confused as to whether we... 
6th Grade Geometry
Hello, I'm having trouble doing this math geometry someone help me please? Thanks: Calculate the area of the trapezoid which is not drawn to scale. It is not a regular trapezoid! It looks like a rectangle and when you get to the top cut the rectangle and make the part you cut ... 
arithmetic
the average weight of 20 women is 130 pounds. if the average weight for 3/4 of these women was 140 pounds, what was the average weight, in pounds, for th rest of the women? 
Physics
A person walks 28.2◦ north of east for 3.33 km. Another person walks due north, then due east to arrive at the same location. How far due north would this person walk? 
english
We have to find the right linking verb. 1.) It was she/her who was the director. She 2.) The owner of the recording equipment was me/I. I 3.) The engineer helping with the recording was her/she. She 4.) The person testing how the microphone sounded was I/me. I 5.) The ...