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?
57,675 results, page 81

Math
Once a month a fast food chain offers a special when a coach brings in a team. Buy 5 hamburgers and get one free. This month, a team goes in after their game. Each person had one hamburger. Each of the players had a soda @ $.50 each and shared an order of french fries ($.95 ... 
physics
what is the apparent angle the diameterof the moon subtends as seen from the earth in radians. average moon earth distance3.84*10e8 radius of the moon 1.74*10e6 
Math
One kilometer is equal to 1,000 meters. What fractional part of a kilometer is 700 meters? Simplify your result? A college bookstore ordered 425 copies of a textbook at a cost of $22,525. What was the cost to the store for an individual textbook? 
Physics
Could someone help me with these questions. . . please 1. How does Rutherford’s model of the atom account for the back – scattering of alpha particles directed at the gold leaf 2. The higher the energy level occupied by an electron in the hydrogen atom, the larger the atom... 
Trigonometry
From the foot of a building I have to look upwards at an angle of 22degrees to sight the top of a tree. From the top of a building, 150 meters above ground level, I have to look down at an angle of depression of 50degrees to look at the top of the tree. a. How tall is the tree... 
algebra/trig
A person is standing 50meters away from a target whos center is 90cm off the ground. The height to the person's eyes is 66inches. Find the correct height for the target if the person is standing 4.5 meters from the target. I have tried a couples times to solve this problem and... 
Math: i do not understand
A tractor manufacturing company machines axles to extremely small tolerances. The main power axles have a mean diameter of 3.0000 inches and a standard deviation of 0.0050 inch. What is the probability that a given axle will have a diameter between 2.9915 and 3.0004 inches? ... 
Physics 2 with calculus
The wires leading to and from a 0.12diameter lightbulb filament are 1.5 in diameter. The wire to the filament carries a current with a current density of 4.0×105 . what is the current density in the filament? 
physics
A 58.4kg person, running horizontally with a velocity of +3.84 m/s, jumps onto a 10.7kg 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. (Indicate the direction with the ... 
math
John goes to the store to buy some school supplies.He byus a stapler for $6.32, staples for $3.75, pencils for $2.00, and 2 packs of erasers for $0.99 each. He must pay $0.07 tax for every ($1.00)dollar he spends. How much does John have to pay in all? What is the total tax ... 
Language
One particularly nice afternoon, several students were trapped in a classroom listening to a monotonous lecture by a professor the local college. After over two hours of mindnumbing discourse, one student stood up in despair and noted that she had a book with every word of ... 
English
I REALLY need help in this Double Shift word problem by Gloria Rosenthal. The following real or fictional people all "do" or "did" something; their activities are dependent on their names. From each clue, identify the person, take their first name or surname (whichever one ... 
English
I REALLY need help in this Double Shift word problem by Gloria Rosenthal. The following real or fictional people all "do" or "did" something; their activities are dependent on their names. From each clue, identify the person, take their first name or surname (whichever one ... 
Chemistry
(a) Propylene, H2C=CHCH3, can be reacted to form a polymer known as polypropylene (PP). What type of polymerization reaction is most appropriate for the formation of polypropylene? i)Addition Polymerization ii)Anionic Polymerization iii)Condensation Polymerization (b) What is... 
GEOMETRY
A cylindrical tank if 8 ft. in diameter and 20 ft tall. how many gallons of paint are needed to paint the tank if one gallon covers 200 sq ft ? and a cylindrical hole with diameter 8 inches is cut through a cube 10 in. on a side. find the surface area of this solid HOW PLEASE... 
PHYSÝC HELP
A standard CD has a diameter of 12.0 cm, and a hole that is centered on the axis of symmetry and has a diameter of 1.50 cm. The CD’s thickness is 1.2 mm, and it's mass is 17 g. If a (very thin) pin extending through the hole of the CD suspends it in a vertical orientation, ... 
PHYSÝC
A standard CD has a diameter of 12.0 cm, and a hole that is centered on the axis of symmetry and has a diameter of 1.50 cm. The CD’s thickness is 1.2 mm, and it's mass is 17 g. If a (very thin) pin extending through the hole of the CD suspends it in a vertical orientation, ... 
physics
A standard CD has a diameter of 12.0 cm, and a hole that is centered on the axis of symmetry and has a diameter of 1.50 cm. The CD’s thickness is 1.2 mm, and it's mass is 17 g. If a (very thin) pin extending through the hole of the CD suspends it in a vertical orientation, ... 
English
Hold on. I'll just go and get him for you.  In this sentence, what is the meaning of 'get'? [situation] A person called. And the answerer answers the phone. The answerer wants to hand the telephone to the right person. 
Foreign Langauge
Who is a person that's important to the history and/or culture of France. This person can be a political figure, scientist, artist, musician, athlete, religious figure, etc. 
Math
Reasoning Four people each bought 2 bottles of Vermont maple syrup Each person plans to share their bottles with 3 friends How much does each person get? 
college physics
A person walks from point A to point B as shown in the figure below. What is the person's displacement relative to A? What is the magnitude? What is the direction ° (counterclockwise from the +xaxis)? 
math
The total hang time T in seconds, is given by T(h)=^h/2. Where h is the maximum height. If a person jumps 6 ft off the ground, determine for how many seconds the person is in the air. 
chemistry
What pressure is a person exerting on the floor if the person weighs 145 lbs and has shoes that contact the floor over a total area of 300. cm^2? 
AP Chemistry
What pressure is a person exerting on the floor if the person weighs 145 lbs and has shoes that contact the floor over a total area of 300. cm^2? 
trigonometry
A person is standing 21 feet from a building. The angle of elevation between the person and the ground is 59°. Find the height of the building. (Round to the nearest hundredth) 
MATH
A lamp is located on the ground 10m from a building. A person 2m tall walks from thelighttowardthebuildingatarateof2m/s. Findtherateatwhichtheperson’sshadow on the wall is shortening when the person is 5m from the building. 
Math
A volmeter's pointer is 6 centimeters in length. Find an angle through which it rotates when it moves 2.5 centimeters on the scale. 
MATH
A gyroscope of radius 18 cm rotates 35 times per minute. What is the linear velocity at a point on the edge of the gyroscope? 
Math
If a tire rotates at 150 revs/min when the truck is travelling 40km/h, what is the circumference of the tire? 4.44 meters 
physics
Propeller blade in aeroplane is 2m long if propeller rotates 1800rev/min compute tangential velocity. 
science
Hans stands at the rim of the grand canyon and yodels down to the bottom. He hears his yodel echo back from the canyon floor 5.20 seconds later. Assume that the speed of sound in air is 340.0m per second. How deep is the canyon? Hint: Note that the time is for the sound to ... 
Physics
A wooden block of mass m = 9 kg starts from rest on an inclined plane sloped at an angle θ from the horizontal. The block is originally located 5m from the bottom of the plane. If the block, undergoing constant acceleration down the ramp, slides to the bottom in t = 2 s, ... 
Physics: momentum
While you are standing on a expanse of smooth ice, your friend throws a heavy ball towards you. How can you maximize your speed after your interaction with the ball? a. More information is needed to determine how you should maximize your speed. b. It doesn't matter since your ... 
trig
I keep trying to find the power reducing formula for sin^4(x), but I can't seem to get all the fractional parts correct. The answer I should be getting is: sin^4(x)=(1/8)cos4x(1/2)cos2x+(3/8) I can only get this far knowing feeling confident. When I go further I start making ... 
french
how do i do subjontive? how do i know that i am doing it right? the endingings : e,es,e,ions,iez,ent  do i use those for every verb i use? for ir verbs, do i also add iss, or is that onlyfor imparitive? merci! Thank you for using the Jiskha Homework Help Forum. It would ... 
math
Two functions, A and B, are described as follows: Function A y = 9x + 4 Function B The rate of change is 3 and the yintercept is 4. How much more is the rate of change of function A than the rate of change of function B? 2 3 6 9 I believe the answer is either C or B but I am ... 
Spanish please help
Will somebody please help. Thank You so much. 19. Say that the person has his/her/their own book or books. Yo tengo ______ libro. 20. Say that the person has his/her/their own book or books. Ella tiene ______ libros. 21. Say that the person has his/her/their own book or books... 
Math
You spin the spinner once (16) and roll a number cube (16) once. Find the probability that the spinner stops on the same number that you roll with the number cube. 
Calculus
A travel agency currently has 80plp signed up a tour. The price of a ticket is $5000 per person. The agency has chatered a plane seating 150 plp at a cost of $250000. Additional costs to the agency are incidental fees of $300 per person. For each $30 that the price is loverwd... 
medical terminology/exercise science terminology
how does the body adapt to aerobic exercise a.by increasing blood pressure when a person isn't exercising b.by increasing the heart rate when a person isn't exercising c.by decreasing the heart rate when a person isn't exercising d.by decreasing blood pressure when a person ... 
Math
Many people know that the weight of an object varies on different planets, but did you know that the weight of an object on Earth also varies according to the elevation of the object? In particular, the weight of an object follows this equation: w=Cr^2 , where C is a constant... 
tax
If the proceeds of a pension plan are being distributed and the original beneficiary dies, the: A. person who inherits the plan assets can elect to be treated as the original beneficiary if that person is the spouse of the original beneficiary. B. person who inherits the plan ... 
math
suppose that we agree to pay you 8cents for every problem in this chapter that you solve correctly and fine you 5cents for every problem done incorrectly, if the end of 26 problems we do not you each other any money, how many problems did you do? 
Math
A function is a rule, which assigns one and only one range element to each and every domain element? I want to answer that this is true but the word "every" is questionable. am i reading too much into this? 
physics
A uniform plank of length 5.6 m and weight 203 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support (see the drawing). To what distance x can a person who weighs 440 N walk on the overhanging part of the plank before it just begins to ... 
Math  Trig
From the foot of a building I have to look upwards at an angle of 22° to sight the top of a tree. From the top of a building, 150 meters above ground level, I have to look down at an angle of depression of 50° to look at the top of the tree. a. How tall is the tree? b. How ... 
physics
A small girl and boy take a sled up to the top of a snow covered slope which is inclined 30 degrees above the horizontal. The girl, boy and the sled have a mass of 160 kg. The coefficient of static friction is 0.28 and the coefficient of kinetic friction is 0.14 between the ... 
physics
A small girl and boy take a sled up to the top of a snow covered slope which is inclined 30 degrees above the horizontal. The girl, boy and the sled have a mass of 160 kg. The coefficient of static friction is 0.28 and the coefficient of kinetic friction is 0.14 between the ... 
Physics
You are standing at the top of a cliff that has a stair step configuration. There is a vertical drop of 7 m at your feet, then a horizontal shelf of 8 m, then another drop of 3 m to the bottom of the canyon, which has a horizontal floor. You kick a rock, giving it an initial ... 
Math
In a class of 83 students, 72 are present. What percentage of the students are absent? Provide answer up to two significant digits. a. 12 b. 13 c. 14 d. 15 What I did is I subtracted both 83 and 72 which is 11 and I put it as proportions. I put x as a percent and a 100 on the ... 
Chemistry
so i got a test and like usual my teacher didn't teach me half of the stuff that's going to be on it so he gave us a pretest of what is going to be on it and an answer key and i got several questions 13.) what is the pH of a formic acid if the concentration is .00055 M? ok so ... 
math
Your iron works has been contracted to design and build a 500ft3 squarebased, opentop, rectangular steel holding tank for a paper company. The tank is to be made by welding halfinchthick stainless steel plates together along their edges. As the production engineer, your ... 
Physics
Tarzan swings on a 27.0 m long vine initially inclined at an angle of 33.0° with the vertical. (a) What is his speed at the bottom of the swing if he starts from rest? (b) What is his speed at the bottom of the swing if he pushes off with a speed of 3.00 m/s? I tried to use ... 
statistics
The weight of a can made from a machine is normally distributed with a mean of 25 grams and a standard deviation of 0.4 grams. What percentage of the cans from this machine would not meet the minimum required weight of 24 grams? Round to the nearest hundredth of a percent 
math
The weight of a can made from a machine is normally distributed with a mean of 25 grams and a standard deviation of 0.4 grams. What percentage of the cans from this machine would not meet the minimum required weight of 24 grams? Round to the nearest hundredth of a percent 
Help me again in stats
Find the corresponding zscore to the given value and determine whether the value is unusual. A weight of 225 pounds among a population having a mean weight of 161 pounds and a standard deviation of 23.0 pounds. 
math
dave throws loose change in to a cup an takes it out every 2 weeks this time it is all nickels and dimes there are 7 times as many dimes as nickels and the value of dimes is $5.85 more than the value of the nickels how many nickels and dimes does dave have 
Math
A person standing near the edge of a cliff 120 feet above a lake throws a rock upward with an initial speed of 40 feet per second. The height of the rock above the lake at the bottom of the cliff is a function of time and is described by the function H(t) = –16t2 + 40t + 120... 
Math
Is your weight on different planets affected by gravity an object that weighs 150 pounds on Earth weighs only 56.55 pounds on Mars the same object weighs only 24.9 pounds on the moon what percent of an object Earth weight is its weight on Mars and the Moon 
math
There is a picture with stacked cubes that are each 2inches. + ++ +++ ++++ +=the pic i have of cubes=(+=2in cube) Each side of a cube in the diagram measures 2 inches. What is the total surface area and volume of the solid? I did A=s squared A=2 squared A= 4inch squared SA= 4(... 
Geometry
The sum of the diameters of two circles is 28 inches. One circle has a diameter that is 8 inches longer than the diameter of the other. What are the diameters of the two circles? 
math
If a swimming pool that has a diameter of 40 feet and a height of 5 feet can be filled in 50 minutes, how long will it take to fill a pool that has a diameter of 36 feet and a height of 6 feet? 
Math
a pool 5 feet deep with a diameter of 40 feet is filled with water in 50 minutes. how long will it take to fill a pool that is 6 feet deep with a diameter of 36 feet? 
english
i need help with internal & external conflicts.i don't understnd them.i probaly just need a few examples from a book.i just finished reading speak by laurie halse anderson,which is a good book.well,i have to find 5 passages that reflect on the novels main internal or external ... 
English
I forgot to include the following statements. I really hope you can have a look at them, too. Thank you very much in advance. 1)The thirdperson narrator is a narrator who stands outside the story and uses the third person voice to refer to the characters. 2) A thirdperson ... 
physics
A strip of rubber originally 75 mm long is stretched until it is 100 mm long. a.What is the tensile strain b.Why has the answer no units? c.The greatest tensile stress which steel of a particular sort of a particular sort can withstand without breaking is about 10>9 N m>... 
math
container A has twice the capicity of container B. container A is full of sand and container B is empty. suppose 1/8 of the sand in container A is poured into container B. what fractional part of container B will conatin sand.........please halpme i am confused 
math
container A has twice the capicity of container B. container A is full of sand and container B is empty. suppose 1/8 of the sand in container A is poured into container B. what fractional part of container B will conatin sand.........please halpme i am confused 
math
container A has twice the capicity of container B. container A is full of sand and container B is empty. suppose 1/8 of the sand in container A is poured into container B. what fractional part of container B will conatin sand.........please halpme i am confused 
chemistry
A NASA satellite showed that in 2003 the ozone hole was much larger than it was in 2002. The 2003 hole measured 1.04 x 107 mi2 in diameter, while the diameter of the 2002 hole was 6.9 x 106 mi2 Calculate the difference in size between the two holes in square meters. 
Physics
Viscous blood is flowing through an artery partially clogged by cholesterol. A surgeon wants to remove enough of the cholesterol to double the flow rate of blood through this artery. If the original diameter of the artery is D , what should be the new diameter (in terms of D... 
Physics
A syringe which has an inner diameter of 0.6 mm is attached to a needle which has an inner diameter of 0.25 mm. A nurse uses the syringe to inject fluid into a patient's artery where blood pressure is 140/100. Assume the liquid is an ideal fluid. What is the minimum force the ... 
Math!! (repost) really need help!!
A cone has a diameter of 24 in. and a height of 10in. What is the volume of s cone? use 3.14 as an approximation.. final answer in tenths  Im stuck between two answers: 94.25 because if I do 3 x 10 to find the volume. I say 3 because the diameter is 24 in., also 8 x 3 equals ... 
ANOTHER TRIANGLE MATH PROB!
The triangles below are similar. Find the value of x. (the big triangle has two sides that say 21, and the bottom says 24. The small triangle has two sides that say 10.5, and the bottom is X) 
A suggestion @Writeacher
I don't know whether suggestions are welcomed,but I would like to express what I feel about this change and hope anyone won't misunderstand this as being rude. From my point of view this change will be causing some difficulties to students and also tutors:there may be other ... 
Physics
The Achilles tendon, which connects the calf muscles to the heel, is the thickest and strongest tendon in the body. In extreme activities, such as sprinting, it can be subjected to forces as high as 13 times a person’s weight. According to one set of experiments, the average... 
CHEMISTRY II
How would the calculated value of the molar mass of an unknown acid be affected (higher, lower, or no change) if the following occurs? (a) The pH meter was incorrectly calibrated to read lower than the actual pH. (b) During the titration, several drops of NaOH missed the ... 
Math
A model car has a scale of 1:24, where the model dimensions are in the numerator and the actual dimensions are in the denominator. if the tires on the model have a diameter of 1/2 inch, how long is the diameter of an actual tire on the car? 
English
1. Is Kelly a male name or a female name? 2. What is the difference between the two sentences? 1) He lost his watch. 2) He has lost his watch. 3. My father reads the newspaper every day. (What is the meaning of this sentence? Does the father read the same newspaper every day? ... 
Health
What does it mean to change your body image? A. It means changing what you eat B. It means changing how much you eat C. It means changing the way you think about your body D. It means losing weight to fit a Barbie dolllike image i got C wrong ... so is it D? 
Technical writing
Identify the sentence that is punctuated correctly. Select one: a. Once inside, my mother's house seemed much larger than it appears on the outside. b. Once inside my mother's house seemed much larger, than it appears on the outside. c. Once inside, my mother's house, seemed ... 
Physics
Two scales support a massless plank from either end, separated by 3 m. A person, whose height is less than 3 m, lies down on the plank with their head on the leftmost scale. The leftmost scale reads 314 N, and the rightmost scale reads 112 N. (a) Calculate the person’s mass... 
Language Arts HELP!
Which of the following sentences contains a verb in the future perfect tense? A. Andy is going to walk home with Beth every afternoon. B. Andy has been walking home with Beth every afternoon. C. Andy will walk home with Beth everyday next week. D. By tomorrow, Andy will have ... 
health
What does it mean to change your body image? A. It means changing what you eat B. It means changing how much you eat C. It means changing the way you think about your body D. It means losing weight to fit a Barbie dolllike image I DON'T KNOW? i guess C 
Physics.. please help!!!!!
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? How far would this person walk due east? 
physics
Practice Problem 13.9 Let's begin by looking at a flow problem in which the diameter of a pipe changes along the flow path. We will need to use both the continuity equation and Bernoulli's equation for this problem. Water enters a house through a pipe with an inside diameter ... 
Health
What does it mean to change your body image? A. It means changing what you eat B. It means changing how much you eat C. It means changing the way you think about your body D. It means losing weight to fit a Barbie dolllike image I thought it was C but i got it wrong..:/ So it... 
Math
While Driving down a mountain, top finds that he has descended 1800 ft in elevation by the time he is 3.25 mi horizontally away from the top of the mountain. find the slope of his decent to the nearest hundredth. I am not sure where to start on this equation. I know that m = ... 
English
1. She looked at the person on the table.(When the person is on the table, 'on the table' is an adjective phrase.) 2. She looked at the person on the table.(When she is on the table, 'on the table' is an adverbial phrase.) (How can we distinguish the two situation? According ... 
math
17. Which of the following is the correct simplified fractional representation of 0.03030? A. 303/1,000 B. 303/10,000 C. 3,030/1,000 D. 3,030/10,000 i think its B 
LA
The short story “The TellTale Heart” is told in first person point of view. How would the connection between the audience and the story most likely change if the story was told in the third person point of view? a) The audience would most likely feel less connected to the... 
Math
In April, 935 people went to the top of the Sears Tower in Chicago. In may, 1,027 people went to the top . How many more people went to the top of the tower in may than April? 
Physics
During a tennis serve, a racket is given an angular acceleration of magnitude 155 rad/s2. At the top of the serve, the racket has an angular speed of 13 rad/s. If the distance between the top of the racket and the shoulder is 1.5 m, find the magnitude of the total acceleration... 
chemistry
Use an activity series to identify two metals that will not generate hydrogen gas when treated with an acid. We never did the activity and I don't know what the answer is. Please help. Thank you. Look in your text or notes for the activity series or electromotive force series... 
math
A hotel has rooms numbered 1 to 1000. One thousand visitors enter the hotel. 1. The first visitor switches on the light switches of every room. 2. The second visitor switches off the light switches of every other room, starting with room 2. 3. The third visitor toggles the ... 
Chemistry
a student used a piece of copper with a mass of 2.85g and obtained 2.95g of copper at the end of the experiment, an apparent recovery of 104$. How could the student account for this result, since the best to expect is 100%. 
Science
How does a raw banana relate the second law of thermodynamics to the changes in energy observed in Appendix C. How did the amount of energy gained compare to the amount of energy lost as heat at the second through fourth trophic levels? Considering the amount of energy ... 
MATH
A MAN GRASP A ROPE 6M ABOVE THE GROUND, FROM HIS HAND THE ROPE GOES STRAIGHT UP TO A PULLEY 36M ABOVE THE GROUND AND THEN STRAIGHT DOWN TO THE WEIGHT RESTING ON THE GROUND. IF THE MAN, HOLDING FAST TO A ROPE AND KEEPING HIS HAND 6M ABOVE THE GROUND WALKS AWAY AT A CONSTANT ... 
MusicHELP!!
1. What is the quality of the triad if the bottom third is minor and the top third is major? A) Major B) Minor C) Augmented D) Diminished 2. Which part of the triad is in the lowest voices? A) Root B) Third C) Fifth D) Seventh 3. In a major key, which quality is the triad ...