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?
57,611 results, page 77

Behaviorial Science
Interview a person you feel comfortable asking about their personality and attitudes. • Submit your Profile Report. For this project you will choose a person who is close to your own age and interview that person to learn more about them. In addition to the interview compare... 
math
During a promotional weekend , a state fair gives a free admission to every 17th 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 ... 
Mathneed help fast
If the radius of a circle is x/6, what's the diameter and circumference? Diameter = 2*r Circumference = 2*pi*r ...or... Circumference = pi*d Note: I'm using * to mean multiply. Can you now determine what you need to know with this information? Not really. I just need to know ... 
Physics
A wire is supposed to be 0.10 millimeter in diameter. Laser light of wavelength 670 nm shining onto the wire creates a diffraction pattern on a wall that is 4.5 meters behind the wire. The central maximum of that diffraction pattern is 6.3 centimeters wide. What is the ... 
language
Write a preposition from the box in the blank.(byfromtooverunder) 1/ Lucy has rarely been very far......home. answer: from 2/ They are going.....an amusement park. answer: to. 3/ Lillian and her family went.... ..plane. Answer:by 4/Lillian remembers flying .....the park ... 
math
If stacy jogs every 3rd day and swims every 4th day what day of the week will she end up on 
Real Analysis (Math)
Prove x < y + ϵ for every ϵ > 0 is equivalent to x <= y + ϵ for every e > 0. I thought it may be trivial, but I am not sure. HELP!! 
Physics
Three objects are connceted by a massless wires over a frictionless pulley. The right side of the pulley wire is connected to a 15kg block and right below that is a 10kg block on the bottom of the wire. The tension in the wire connecting the 10kg and 15kg objects is measured ... 
Sciencebobpursley/Ms.Sue
1. A trilobite is considered an index fossil because this organism existed during a limited period in Earth's history. That means that any fossil located in a layer of rock beneath a layer containing trilobite fossils is ____________ than a trilobite. 2. According to this ... 
Science
1. Two 20.newton forces act concurrently on an object. What angle between these forces will produce a resultant force with the greatest magnitude? (1) 0° (2) 45° (3) 90.° (4) 180.° 2. A rock is thrown straight up into the air. At the highest point of the rock’s path, ... 
Physics
A shotputter puts a shot (weight = 71.9 N) that leaves his hand at distance of 1.47 m above the ground. (a) Find the work done by the gravitation force when the shot has risen to a height of 2.20 m above the ground. Include the correct sign for work. J (b) Determine the ... 
Physics 1
A shotputter puts a shot (weight = 71.3 N) that leaves his hand at distance of 1.62 m above the ground. (a) Find the work done by the gravitation force when the shot has risen to a height of 2.08 m above the ground. Include the correct sign for work. J (b) Determine the ... 
PHYSICS  PLEASE HELP
The density of a 6 foot tall man that weighs 840. Newtons fluctuates from a value slightly less than the density of water when the man completely inhales to a value slightly more than the density of water when the man completely exhales. Note: Assume that the water pressure ... 
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. 
advanced functions
The Moon has a diameter of about 3480 km and an orbital radius of about 384 400 km from the centre of Earth. Suppose that the Moon is directly overhead. What is the measure of the angle subtended by the diameter to the Moon as measured by an astronomer on the surface of Earth... 
Math
Gina is tying up a stack of newspapers with string. She wants the string to wrap around twice, once lengthwise and once crosswise. If the stack of newspapers is 11 inches wide, 13 inches long, and 15 inches high, how much string will she need? 
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? 
maths
The top of a T.V tower casts a shadow of 35 metres long when the angle of elevation of the sun 57°40'.How high is the top of the tower? 
Statistics
The mean score on a test was 280 and the standard deviation was 20. You want to pick the top 15%. What will be the minimum cutoff score to be in the top 15%? 
math
The mean score on a test was 280 and the standard deviation was 20. You want to pick the top 15%. What will be the minimum cutoff score to be in the top 15%? 
physics
If α = 40°, β = 60°, and M = 4.0 kg, determine the tension in string 1 & 2. / / 1 /2 / . . . Blockmass Alpha is on the top left angle and Beta is on the top right angle. 
geometry
Cone a is 9 inches tall and has a diameter of 8 inches. Cone b has a diameter of 12 inches. What height does cone b need to be in order to hold the same volume as cone A 
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... 
Physics
Suppose that you are at the top of a (rigid) rocket which is half a light year tall. If the rocket is accelerating such that your proper acceleration is 1g, What is the proper acceleration at the bottom of the rocket? B = F c2 c2 F : This is one of the equations ... 
physics
The windshield of a speeding car hits a hovering insect. Consider the time interval from just before the car hits the insect to just after the impact. Which of the following are correct? (Select all that apply.) Choose the system so that the change of momentum zero. Compare ... 
physics
A person bending forward to lift a load "with his back" (Figure (a)) rather than "with his knees" can be injured by large forces exerted on the muscles and vertebrae. The spine pivots mainly at the fifth lumbar vertebra, with the principal supporting force provided by the ... 
Me again!  Science (Friction and Weight)
Okay. I have a test coming up soon, and I was wondering how to explain Weight and Friction. Mass is the stuff inside an object, so what is weight? And how do you describe friction? Thanks for reading, hope you can help. Weight is the attraction of an object as a result of ... 
Chem Lab
Am I right? Classify the following properties of sodium metal as physical or chemical: •Silver metallic color—physical property •Turns gray in air—physical property •Melts at 98º Cmelting point is physical property •Reacts explosively with chlorine gas—chemical... 
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 ... 
College Biology
The RBC osmolarity of a patient is 300 mOsm/L and is given 1L of distilled water and starts with 3L of plasma. What is the plasma osmolarity after infusion mixes with plasma but before water enters her RBC? Once infused water equilibrated between plasma nad RBA what is her ... 
math
bystander at the Pegasus Parade, is lying on his back and observing a large balloon of a cartoon character, floating directly above Broadway Street. He is located 32 feet from a point on the street directly beneath the balloon. To see the top of the balloon, he looks up at an ... 
Physics check
A person has a reasonable chance of surviving an automobile crash if the deceleration is no more than 30 "g's" (recall that g = 9.8 m/s2). Calculate the force, in N, on a 68 kg person accelerating at this rate. 30"g" x 9.8 294 ms^2 f=ma 294x68 =19,992N 
English
If one smokes cigarettes, you run the risk of getting lung cancer. number mood tense person my Answer D the key word is you and you is a person and is the subject of the sentence 
Math 6th grade
At lunch 3 1/4 small pizzas were equally devided into 4 people one person eats 1/4 of what he was given how much of a whole pizza did that person eat 
Health and Physical Education
Which defense mechanism is used by a person who constantly blames his unbearable feelings on another person? A: rationalization B: compensation C: denial D: projection ~ I think it is D ~ please correct me ~ 
The Lottery(book)
who is in a wheel chair? brydan or sal? 
Maths
The radius of a wheel is 7 cm. In covering 44 km, how many revolutions will it make? 
geomerty
a wheel has a dimater of 12 cm, how many turns does it take to go 2 meters? 
maths
the radius of a wheel is 3 cm. what is the distance travelled by it in 15 revolution? 
physics
A thin plate glass window with a refractive index 1.5 is tapered at a 5° angle. You are looking from the outside through such a window at an angle of 30° with respect to the normal and see a person standing there behind the window (very similar to the fish tank we discussed ... 
Math
The weight of box A is 4/5 of box B. If box B is placed on one side of a balance scale, it is balanced by box A and a 4/5 pound weight. How much does box B weigh? 
math
The weight of box A is 4/5 of box B. If box B is placed on one side of a balance scale, it is balanced by box A and a 4/5 pound weight. How much does box B weigh? 
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 ... 
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? 
Chemistry
A 25.00mL sample of a household cleaning solution was diluted to 250.0mL in a volumetric flask. A 50.00mL aliquot of this solution required 40.38mL of 0.2506 M HCl to reach a bromocresol green end point. Calculate the weight/volume percentage of NH3 in the sample. (Assume that... 
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? 
Chemistry
. For the gas reaction at low pressure 2NOBr ¡ê 2NO + Br2 ¥ÄH = +61.1 kJ which of the following statements are true? a) Adding more Br2 shifts reaction to the right b) Removing some NOBr shifts reaction to the left c) Increasing temperature shifts reaction to the right d) ... 
dressmaking
Mrs. Shotto was once one of your regular customers, but she hasn't asked to have any garments made in approximately one year. You note she has lost weight. She would like you to make her a special silk blouse to replace a favorite blouse that has worn out. The blouse has very ... 
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 ... 
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 ... 
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 ... 
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% ... 
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 ... 
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 
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... 
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
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 ... 
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? 
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 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? 
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 = ... 
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? 
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 ... 
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... 
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... 
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
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 ... 
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 ... 
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 ... 
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 
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.
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?