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 78

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 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? 
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. 
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... 
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 
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 ... 
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... 
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... 
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 ... 
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 ... 
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? 
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 ... 
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... 
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 
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 ... 
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. 
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... 
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 
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
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... 
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 ... 
Math
mr trocki is the groundskeeper for a vacation resort. he has programmed the sprinkler system to run at night in three different zones. The sprinklers turn on at midnight and run until 7am. the fist zone runs every 90 minutes, the second zone turns on every 40 minutes, and the ... 
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... 
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 ... 
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/... 
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
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? 
chemistry
How many compounds would there be in a combinatorial library of ester compounds made from every isomer of monofluorobenzoic acid and every possible alkyl alcohol with 4 or less carbon atoms? 1. 11 2. 24 3.12 4.21 i know its either 21 or 24 but im not sure :S can someone help ... 
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 ... 
math
three fireworks are fired at the same time. The first one is fired every 64 seconds, the second one is fired every 84 seconds and the third one is fired every 96 seconds. How many seconds after they start will it take until all three fireworks are again fired together? 
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... 
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 ... 
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 ... 
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 ... 
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. 
Science
A cat is walking down a sidewalk and spots a dog in a nearby yard. The cat starts to run in the opposit direction and then quickly climbs a tree. Which of the following changes most accurately describes the movement of the cat? A. Change in speed B. Cange in distance C. Change... 
physical education
IF I'M RIGHT HANDED, HOW DO I DO A CARTWHEEL? I'M IN CHEERLEADING, AND I NEED SOME SERIOUSLY HELP. PLEASE HELP ME SOON! (IN THE NEXT 2 DATS!) My best guess  Lead with your right foot; then your right hand, then left hand, then left foot, then right foot. Keep your legs ... 
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 
calculus
Sand falls from a conveyor belt at a rate of 20 m^3/min onto the top of a conical pile. The height of the pile is always 3/4 of the base diameter. Answer the following. a.) How fast is the height changing when the pile is 10 m high? Answer = m/min. b.) How fast is the radius ... 
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... 
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 ... 
Math
Leah is buying curtains for her bedroom window. She wants the curtains to hang from the top of the window to the floor. The window is 4 feet high. The bottom of the window is 2 and a half feet above the floor. What curtain length in inches should she buy? I added 4 feet to 2 ... 
Calculus
The seesaw principle: As you probably know, any two persons can balance each other when sitting on opposite sides of a seesaw, regardless of their weights. It is only necessary that each person contribute the same moment â€” calculated by multiplying the personâ€™s ... 
Health
What can spark weight concerns for girls and impact their eating habits in potentially unhealthy ways? A. High selfesteem B. Maintaining a healthy weight C. Peer pressure to look a certain way D. Positive reinforcement from parents about how one looks I pick C. don`t want to ... 
WHY?
WHy are my questions being deleted? plz help me..i didn't mean to be rude :( Repost please. Please post under just one name. Posting several questions under differing names (Julia, Steph, etc) is not conductive to a healthy relationship to those volunteering to assist you. ... 
math
The triangles below are similar. Find the value of x. The first triangle has 5 on the right and left side and 4 on the bottom. The second triangle has 9 on the right and on the left side and x is at the bottom. A)8.2 B)7.8 C)7.2 D)6.8 
Algebra
I have two questions dealing with financial polynomials. $6780 compounding 2.5%interest once a year yields? in interest 5760 compounding 3.5 interest once a year yields? in interest 
Physical Education
Which of the following is not true concerning footnotes The footnote can be shorter on a smaller package The footnote appears at the top of the nutritional label The footnote is a required section of the nutritional label The footnote does not change from product to product 
Math
1. First of all, pick the number of times a week that you would like to have chocolate (try for more than once but less than 10) 2. Multiply this number by 2 3. Add 5 4. Multiply it by 50 5. If you have already had your birthday this year add 1761 ; If you haven't, add 1760 6... 
Algebra
The Pi (π) Club at Math High School was planning a fundraiser to sell pepperoni pizza. A pizza company donated enough ingredients to make the equivalent of 300 extra large pepperoni pizzas (16” diameter). In trying to determine the number of pizzas of each size to make... 
physics
A raft is constructed of wood havig a density of 600kg/m^3. The surface area of the bottom of the raft is 5.7m^2 and the volume of the raft is .60m^3. When the raft is placed in fresh water having a density of 1000kg/m^3, how deep is the bottom of the raft below water level ? 
MATH!!!
Suppose that a person with a reach of 27 inches and a shoulder height of 5 feet is standing upright on a mountainside that makes a 62 degrees angle with the horizontal..Can the person touch the mountain? I said no but idk why? 
Civics
If the issue is whether a person's civil rights had been violated in a court decision, through which levels of courts might thst person appeal? Need help, this is hard! 
Physics
1. If a 500N person is skiing on a slope with an angle of incline of 67 degrees and there was a friction coefficient of 0.19, determine the person’s acceleration rate. If starting from rest, what is the overall displacement after 30 seconds? 
science
2. Person A and Person B are playing tug of war. Why is neither A nor B winning if both are pulling as hard as they can? 3. A ball rolling down a hill. Is this an example of balanced or unbalanced forces? 
algebra2
you are creating a window display at a toy store using wooden blocks. the display involves stacking blocks in triangular forms. you begin to display with 1 block, which is your first "triangle," and then stack three blocks, two on the bottom and one on the top, to get the next... 
Math
In a group of 9 coins, one is fake and weighs slightly less. What is the fewest number of times you need to use a pan balance to find the counterfeit coins? (A pan balance is a scale used to measure weights, where weights are placed in two pans. The heaviest pan will go down ... 
math
Hooke's Law. The distance d when a spring is stretched by a hanging object varies directly as the weight w of the object. If the distance is 64cm when the weight is 3kg, what is the distance when the wight is 9kg? 
jay kay public
Consider a planet in space whose mass is twice that of earth and radius is thrice that of earth what will be the weight of a body on this planet if its weight on the earth is 900N ?? 
CHEMISTRY
Zinc is determined by precipitating and weighing as Zn2Fe(CN)6. a. What weight of zinc is contained in a sample that gives 0.348 g precipitate? b. What weight of precipitate would be formed from 0.500 g of Zinc? 
Physics
A crate of mass 29 kg is pushed up a ramp by a person as shown in the figure below. The person pushes the crate a distance of 25 m as measured along the ramp. Assume the crate moves at constant velocity. Assume the coefficient of kinetic friction between the crate and the ramp... 
Calculus
Gloria would like to construct a box with volume of exactly 45ft^3 using only metal and wood. The metal costs $15/ft^2 and the wood costs $6/ft^2. If the wood is to go on the sides, the metal is to go on the top and bottom, and if the length of the base is to be 3 times the ... 
victorville
Anna did a survey on the weight of students' backpacks at her middle school. The weights, in pounds, of 10 backpacks are listed below. What is the mean (average) weight, in pounds, of the 10 backpacks? 10 17 12 8 9 7 15 14 6 12 
chemistry
To determine the molecular weight of a liquid compound,1.56 grams of the compound is vaporized in a 0.555L container at 30ºC and the pressure is measured as 1.2 atm. What is the molecular weight of the compound? 
Chemistry  acids & bases
4. Calculate the pH of each of the solutions and the change in pH to 0.01 pH units caused by adding 10.0 mL of 2.37M HCl to 320. mL of each of the following solutions. Change is defined as final minus initial, so if the pH drops upon mixing the change is negative. c) 0.115 M ... 
math
Consider a slide shaped like a right triangle. The base of the slide is 45 feet away from the ladder. The top of the slide is 20 feet high. a) What is the slope of the slide. b) write an equation for the line that the slide would form. c) Lets say you were standing at the ... 
math
Consider a slide shaped like a right triangle. The base of the slide is 45 feet away from the ladder. The top of the slide is 20 feet high. a) What is the slope of the slide. b) write an equation for the line that the slide would form. c) Lets say you were standing at the ... 
Goodwill Valuation 2  Accountancy
In case of Admission: Given a balance sheet as at 31 Dec 2007. The new partner was admitted on 1 Jan 2007. Goodwill was agreed at 2 years purchase and was to be valued in accordance to the weighted average gross profit method for the previous four years starting from last year... 
math
Find the exact value (either decimal or fractional form) of the first term of an arithmetic sequence if the sum of the first 100 terms is 7099.5 and the sum of the next 100 terms is 20799. 
math logic
There were 1320 pumpkins in a pumpkin patch, but it was difficult for farmer Joe to find the perfect pumpkin. • Every third pumpkin was too small. • Every fourth pumpkin was too green. • Every fifth pumpkin had a broken stem. • Every sixth pumpkin had the wrong shape. ... 
math logic
There were 1320 pumpkins in a pumpkin patch, but it was difficult for farmer Joe to find the perfect pumpkin. • Every third pumpkin was too small. • Every fourth pumpkin was too green. • Every fifth pumpkin had a broken stem. • Every sixth pumpkin had the wrong shape. ... 
Physics
Instructions: Read the following paragraph carefully. Then use what you know about momentum, work, and energy to answer the following questions. Be sure to show your work. You are a traffic accident investigator. You have arrived at the scene of an accident. Two cars of equal ... 
Great Depression and Great Leveler/History
Hi, I just want to know if I am correct on my answer about the Great Depression and Great Leveler. I wrote, "The reason why it was called the Great Leveler was because every person was affected regardless of race and gender. Americans underwent many testing, and these testing ... 
math
Please help. mr trocki is the groundskeeper for a vacation resort. he has programmed the sprinkler system to run at night in three different zones. The sprinklers turn on at midnight and run until 7am. the fist zone runs every 90 minutes, the second zone turns on every 40 ... 
Physics
A person is driving on a level road and see's a sign 180m ahead in the middle of the road. The person strikes the sign at a speed of 60km/h. If the person was travelling at 90km/h when the sign was first spotted what was the students perceptionreaction time? How far back ... 
Math
A city park employee collected 600 cents in nickels, dimes, and quarters at the bottom of the wishing well. There were 10 nickels, and a combined total of 25 dimes and quarters. How many dimes and quarters were at the bottom of the well? 
Physics
A weight of 50.0 N is hung from the center of a stretched horizontal wire 10.0 meters long. It causes the wire to say 1.00m at its center. What is the force exerted by each half of the wire in supporting the weight? 
algebra
Country A has a growth rate of 3.7% per year. The population is currently 5,422,000 and the land area of Country A is 29,000,000,000 square yards. Assuming this growth rate continues and is exponential, after how long will there be one person for every square yard of land? 
Algebra
Country A has a growth rate of 2.6% per year. The population is currently 5,918,000 and the land area of Country A is 11,000,000,000 square yards. Assuming this growth rate continues and is exponential, after how long will there be one person for every square yard of... 
chem
I'm suppose to calculate the weight percent per volume (grams pre 100cm3) of ethanoic acid in a commercial sample of vineger from the following: (a) 0.4321g of pure momoprotic acid( formula weight 204.2 amu) required 23.45cm3 of naoh for neutralizalion. 
physical
A body of weight 150N is supported by a thin cord attached to a point in the ceiling. Another cord is attachedto the weight and pulled horizontally until the supporting cords makes an angle of 30 degree with the vertical. Draw the diagram of the arrangement and calculate the ... 
Physics
As seen from above, a playground carousel is rotating counterclockwise about its center on frictionless bearings. A person standing still on the ground grabs onto one of the bars on the carousel very close to its outer edge and climbs aboard. Thus, this person begins with an ... 
Precalc
I am having trouble figuring out this question Jan observes a buoy bobbing up and down through a total amplitude of 8 feet. Beginning at the top of the wave, if the buoy completes a full cycle every 8 seconds, what is the height of the buoy relative to its lowest point after ... 
English
I left out three sentences, I hope you can see them. 1) Can you use his/her when writing a dissertion? Exmple: The character stays fixed in a place whereas his/her consciousness moves freely in time. 2) There was no use in (is "in" necessary?) thinking of what might have been... 
English
1. In the evening, Sonya will meet one of her friends. 2. In the evenings, Sonya will meet one of her friends.  Thank you for your help. What is the difference between them. Does #1 mean "She will meet her friend this evening (once)." Does #2 mean "She... 
math
The average weight of five ducklings is 6 ounces. if the average weight of 3 of the 5 ducklings is 5.25 ounces what is the average weight of the other 2 ducklings? 
CROSSCULTURAL 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
A spring with a force constant of 1.0 N/cm is compressed to a displacement of 10.0 cm. When released, it's energy is used to rotate a mass of 0.50 kg, secured by a spring, around in a circle with radius of 0.75 m, starting at the top of the circle. After 0.3 s has elapsed, the... 
writting skills
what correction should be made to this sentence? one of the lifelong memories many of us share are the moment we obtained a driver's license? a)change the spelling of memoreis to memorys b)inset a comma after memories c)change are to is d)change driver's to drivers e)no ... 
Physics
A sky diver of mass 80.0 ks jumps from a slowmoving aircraft and reaches a terminal speed of 50.0 m/s. a) What is the acceleration of the sky diver when her speed is 30.0 m/s? What is the drag force on the diver when her speed is b) 50.0 m/s? c) 30.0 m/s? If you assume drag ... 
Algebra!!!
Complete this sentence with the correct choice: y = 4 is a horizontal line with ________. undefined slope. a slope of 4. a slope of 0. None of the above will make a true statement. Think this through... If y=4, then x can be any number, but y will always be 4. Slope is defined...