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 69

writing
We also prepared for the test by studying the driver's booklet, memorizing rules, and to learn road signs. What correction should be made to this sentence? 1) change prepared to prepare 2) change studying to study 3) change driver's to driver 4) remove the comma after booklet ... 
science
Which statement best describes the inertia of an object? A.Inertia is the tendency of an object to resist a change in its motion. B.Inertia is the weight of an object. C.Inertia is what determines how fast an object will fall. D.Inertia measures how hard an object will hit ... 
physics
A person of mass m jumps off the ground. Suppose the person pushes off the ground with a constant force of magnitude F for T seconds. What was the magnitude of the displacement of the center of mass of the person while they were in contact with the ground? Express your answer ... 
Physics
A marble rolls down an incline of 30 degrees. If the marble is initally at rest at the top of the incline of length 2.0 meters what will the speed of the marble be at the bottom of the incline (a) if the incline is rough enough to prevent any slipping [ it rolls],then (b) if ... 
physics please help
What is the resistance of 125 m of aluminum wire that has a diameter of 0.8118 mm? The resistivity of aluminum is 2.824 x 10^8 (omega) m. I need help with the set up. we've been using R = V/I, but haven't had anything with resistivity. I don't know where to place this, ... 
social studies
Is morality is a Social Function (Construction)? This would imply that there is no such thing as REAL morality only the morality that society forces us to follow (both consciously and unconsciously). Use examples to explain your case. [ WARNING: If you do agree with this ... 
Health
Indirectly affected person 1 or group 1 when mountain climbing unprepared please help and thank you person 1 or group 1 means first person or group to be indirectly affected 
marketing research
A packaging device is set to fill detergent power packets with a mean weight of 5 Kg. The standard deviation is known to be 0.01 Kg. These are known to drift upwards over a period of time due to machine fault, which is not tolerable. A random sample of 100 packets is taken and... 
Physical Science
Hello! Thanks for checking my question out! ____ 2. Which of the following is NOT a clue that a chemical change has occurred? (1 point) a) change in color b) production of a gas c) formation of a precipitate d) change in shape My Answer: D Could someone please check my answer... 
Physics
A) On a calm, bright day, you're scuba diving in a deep lake (n = 1.33), 6.00 m away from your sailboat in the horizontal direction. When you are 2.20 m below the surface, the top of the sailboat mast appears to you to be in a direction 36.0° from vertical. Calculate the ... 
physics
Find the linear speed of the bottom of a test tube in a centrifuge if the centripetal acceleration there is 5.4×104 times the acceleration of gravity. The distance from the axis of rotation to the bottom of the test tube is 7.9cm. 
geometry
you are at a parade looking up at a large balloon floating directly above the street. you are 60 feet away from a point on the street directly Beneath the balloon. to see the top of the balloon your angle of elevation is 53°. to see the bottom of the balloon your angle of ... 
No Subject
Ms.Sue, I just wanted to take a few moments to let you know that I recently completed my work in Early Child Ed. I want you to know that I truly do appreciate all the help you have given me,and let me say "thank you"for being patient with me while I was trying to understand ... 
calculus
The chemistry teacher at Stevenson High School is ordering equipment for the laboratory. She wants to order sets of five weights totaling 121 grams for each lab station. Students will need to be able to weigh every integral weight from 1 to 121 grams using these weights and a ... 
Physics
Highheeled shoes can cause tremendous pressure to be applied to the floor. Suppose the radius of a heel is 6.00 103 m. At times during a normal walking motion, nearly the entire body weight acts perpendicular to the surface of such a heel. Find the pressure that is applied ... 
Math, check my answer. thanks
Consider the following students’ methods of solving the Proportion 8/5 = 20/x and determine whether the methods were correct: Richie: First I divided 20 by 8 and got 2 1/2 Then I multiplied by 5 and got 12 ½ for my answer. Martha: I think of it this way. Every time a person... 
U.S. Government
1. Amendment  gave all men the right to vote regardless of race.  15? 2. People who believe voting is important have high political cc.  efficacy? 3. It is an essential part of democracy in action, for the people to e.  vote? 4. The age requirement to vote in the... 
Literature
Please check the questions about the tragedy Romeo and Juliet below. 1.Friar Laurence could best be described as: A. a very mean person B. a happy person C. someone who likes to please people I would say C as he did whatever Romeo and Juliet asked him to do. 2. Romeo could be ... 
statistics/probability
QUESTION machines are used to pack sugar into packets supposedly containing 1.20kg each.on testing a large number of packets over a long perodof time ,it was found that the mean weight of the packets was 1.24kg and the standard deviation was 0.04kg. a particular machine is ... 
Science
When a nonzero net force acts on an object the force A.changes the motion of the object B.Must be greater than the reaction force C.Does not change the motion of the object D.is equal to the weight of the object 
english
Which of the following would most likely be an entry in a sentence outline? A. Education beyond high school versus education beyond college B. Education as a pathway C. Education as a tool D. Education can change a person's life. 
Trigo
From a window of a building A, the angle of elevation of the top of building B is 35 degrees and the angle of depression of the bottom of building B is 20 degrees. If the buildings are 25m. horizontally apart, Compute for height of the window from the ground? And compute for ... 
calculus
Melissa wants to make a rectangular box with a square base and cover its top and bottom faces with velvet, which will cost her $3 per square inch, and the sides with silk, which will cost her $5 per square inch. The box should have a volume of 1600 cubic inches. Find the ... 
Calculus
Points (–1, 6) and (–3, 2) are endpoints of the diameter of a circle. (a) What is the exact length of the diameter? (Simplify as much as possible) Answer: ________ (b) What is the center of the circle? Answer: ____________ (c) What is the equation of the circle? Answer: ... 
Physics
In a huge oil tanker, salt water has flooded an oil tank to a depth of h2 = 4.50 m. On top of the water is a layer of oil h1 = 7.55 m deep, as in the crosssectional view of the tank as shown in the figure. The oil has a density of 0.700 g/cm3. Find the pressure at the bottom ... 
Math
Determine which function has the greater rate of change in this question? These are the points on the graph. A. (1,0), B(0,1) C(1,2) This is the table X, 1,0,1,2 Y, 0,1,2,3 A. The rates of change are equal. B. The graph has a greater rate of change. C. The table has a ... 
English
Please check ! 1) Who told you that, asked Jerry? "Who told you that?" asked Jerry. 2) Who said, “A penny saved is a penny earned” Who said, "A Penny saved is a penny earned?" 3) Jack told me that I will have to get a job before this summer. Jack told me that "I will have ... 
physics
A panel is supported on supports a and b. A 60kg person walks on the board from point a. Despise the deformation of the table A) find its expression for the magnitude of the force exerted by each support in function x of the person B) in what position will the person be found... 
physics
A panel is supported on supports a and b. A 60kg person walks on the board from point a. Despise the deformation of the table A) find its expression for the magnitude of the force exerted by each support in function x of the person B) in what position will the person be found... 
Goodwill valuation  Accountancy
In case of Admission: Given a balance sheet as at 31 Dec 2008. The new partner was admitted on 1 Jan 2009. Goodwill was agreed at 2 years purchase and was to be valued in accorfance to the weighted average gross profit method for the previous four years starting from this year... 
Literature
I am writing a book report on Gulliver's Travels in which I have to compare myself with one of the characters. I have chosen Lemuel Gulliver, and I need an attention getter. This is what I have "Every once in a while we run on to characters in literature that reminds us of ... 
Math: Calculus
The max. weight M that can be supported by a beam is jointly proportional to its width w and the square of its height h, and inversely proportional to its length L. a) write an equation that expresses the proportionality. b) determine the constant of proportionality if a beam ... 
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... 
Chemistry
Does the molarity change with the volume? For example we did an experiment in lab with one trial containing 0.1 M KI at 100 mL and another with 50mL. So does the molarity (M) change with volume change? 
Physics
Since every object has some temperature, every object rediates energy. Why then, can't we see objects in the dark? 
MATH
trevor jogs every 3 days and swims every 4 days how often does he jog and swIM on the same day 
Algebra 1
In the army kitchen there are 4 pots for every 3 pans for every 21 glasses. All together there are 476 of these items. How many pans are there? 
Math
a ladder 10 ft long rests against a vertical wal. if the bottom of the ladder slides away from the wall at a rate of 0.7 ft/s, how fast is the angle between the ladder and the ground changing when the bottom of the ladder is 6 ft... 
English
I am trying to write a paper but I am having a difficult time understanding the way you use first person in APA style. The instructions are: Use APA format For this assignment you may use first person and use the questions as subheadings. I need and example of using first ... 
Analytic Geometry(Math)
a person 6 ft. tall s standing near a street light so that he is 4/10 of the distance from the pole to the tip of his shadow. How high above the ground is the light bulb? if the person's head is exactly 5ft from the light bulb. how far is the person from the pole and how long ... 
programming
write a C++ program to read the data from a file and put in a 2d array. This data contains the details of each sales person records. After the details are read and inserted, now calculate the grand total of each sales person and find out the sales person of the month. 
Math
Person A starts walking SW froma point at a speed of 13m/s. Ten seconds later person B starts walking from the same point and travels east at 10m/s. After person B have been walking 30 seconds, approximately how far apart are the two? 
math word problems
A ladder is leaning against a building. The distance from the bottom of the ladder to the building is 9 ft less than the length of the ladder.how high up the side of the building is the top of the ladder if that distance is 2 ft less than the length of the ladder? the ladder ... 
Math
A page of a certain book is 12 inches high and 8 inches wide. The top and bottom margins on the page are each 2 inches wide, and the side margins are each 1 inch wide. The area on the page available for printing is what percent of the total area of the page? a. 30% b. 35% c. ... 
math/probability
Assume that the weight loss for the first two months of a diet program has a uniform distribution over the interval 6 to 12 pounds. Find the probability that a person on this diet loses more than 11 pounds in the first two months. 
Chemistry
Five year old Andrew weighs 45 lbs and requires insulin. His doctor has prescribed 0.150 units of insulin/kg body weight/hr while he is in the hospital. The insulin bottle you have possesses a concentration of 20.0 units/15.0 ml and all must be given. Give all answers to three... 
physics
A ball is dropped from rest at the top of a 5.89mtall building, falls straight downward, collides inelastically with the ground, and bounces back. The ball loses 5.34% of its kinetic energy every time it collides with the ground. How many bounces can the ball make and still ... 
Physics Gravitation Weight
What will a spring scale read for the weight of a 75kg woman in an elevator that moves upward with acceleration of 0.30g? Unsure of how to solve this problem. Can someone please walk me through it step by step. Thank you 
Science physics
A uniform metres rod of weight 100N carries a weight of 40N and 60N suspended from the 20Cm and 90cm marks respectively, where will your pivot a knife edge to balance the rod. 
Physics
Consider the rods plus disc system shown in the Figure. The rod has a length L =0.50 m, and mass M = 0.270kg. The large disc has a radius of R = 0.130m and mass m=0.810kg. The second disk should be treated as a point mass of 0.405kg. It is glued to the rod at position X = 0.... 
Math Completely confused!
Simplify each expression (where possible) and write the answer without using negative or fractional exponents. Assume that X>0. a. 8x^(1/3) b. (8x)^(1/3) c. (8x)^(1/3) d. (3x^(3/4))(16x)^(1/4) e. (x^(1/2)) / (x^(5/2) so far my answers are : a.2x b. 2x c.1/2x but i feel ... 
Geometric series
The sum of the first n terms of the geometric sequence 1, 3, 9,... is 3280. Find the value of n. Express answer in simplest fractional form. 1. t1= 1 2. r = 3 3. S6 = I got 364 but it's not the right answer 4. n = I keep getting a decimal number: 18.72075441... 
mathshelp please?
A cicular opaque disk, 25cm in diameter, is set up 30 cm from a circular source of light of diameter 40 cm. A screen is placed 30cm beyond the opaque disk. Describe, giving dimensions, the nature of the shadow on the screen. 
math
help It is known that a particular bipartition bacterium reproduces every 20 minutes, that is displayed 2 every 20 minutes. How many bacteria will last 10 hours 
Physics
Water is flowing continuously from a tap having an internal diameter 8×10^3 m. The water velocity as it leaves the tap is 0.4 m/s. The diameter of the water stream at a distance 2×10^1 m below the tap is close to: A) 5.0×10^3m B) 7.5×10^3m C) 9.6×10^3m D) 3.6×10^3m 
math
a brick is placed on a balance scale.it balances exactly with a 3/4 pound weight and 3/4 of a brick .what is the weight of the brick? show and explain work 
physics
A boulder in a river has weight of 65N. It displaces a volume of water with a weight of 10N. Which is the net force on this rock? 55 N down 65 N down 75 N up 75 N down 
Statistics
The weight of 100 females aged 15 to 20 years has a mean of 120 pounds and a variance of 36 pounds. How many of the students has a weight less than 110 pounds? 
physics
A force of 120.0 N is applied to 2.00 cm diameter piston in a closed container of water with a density of 1,000 kg/m2. What is the force on another piston with diameter of 25.0 cm connected to the container? 
physics
a copper wire with a diameter of 1.5mm is joined to an aluminium wire which has a diameter of 2.3mm.the wire carries a current of 12A.what is the current density in each wire 
stats
Buckley Farms produces homemade potato chips that it sells in bags labeled 16 ounces. The total weight of each bag follows an approximately normal distribution with a mean of 16.15 ounces and a standard deviation of 0.12 ounces. a)If you randomly selected 1 bag of these chips ... 
English
“When my grandfather was in the hospital and was close to death, my parents did not take me to see him, as most parents with younger children would not. The reason behind this action is that they want the child to remember this person before they were frail and weak.” Is ... 
Physics
A grain bucket conveyor (grain leg) raises soybeans from the ground level up to the peak of its height, h= 150 ft. A bushel of soybean weight, W=60 lb/bu. The bucket elevator can deliver, Q= 120 bu/min, to the top spout. The motor shaft power to drive the elevator is 40 hp. ... 
Math
Using only the digits 2,3,5 and 7 complete the following problems below. 1.Name two things that the numbers 2,3,5,7 have in common 1.All prime numbers 2.What is the smallest possible number that can be written using each of these digits only once? 2357? 3.Using the 7 in the ... 
Calculus  Hydrostatic Pressure
Please check my work: Find the hydrostatic pressure on one end of a water trough full of water, the end of which is a trapezoid with given dimensions: top of trapezoid = 20 feet, sides of trapezoid both = 8 feet, bottom of trapezoid = 12 feet. Depth of water = 8 feet Density ... 
math
A plane P cuts a sphere O in a circle that has a diameter of 20. If the diameter of the sphere is 30 how far is the plane from O? 
physics
a 2.00kg copper plate with an initial temperature of 20.0 degrees Celsius slides with a constant velocity down a 150m long surface that is inclined at 30 degrees angle to the horizontal. If the mechanical energy lost by the system due to friction is absorbed by the copper to ... 
science
two cyclists are riding their bikes up a steep hill. hessica rides her bike straight up the hill. adrian rides his bike up the hill in a zigzag path. adrian and jessica have identical masses. once they reach the top of the hill, does adrian have less gravitational potential ... 
Calculus
An inverted conical tank is 3m tall and 1m in diameter at its widest point. The water is being pumped out of a spout 2m above the top of the tank. Recall that the density of water is = 1000kg/m^3 (a) Find the work needed to empty the tank if it is full. Include units. (b) ... 
Calculus
An inverted conical tank is 3m tall and 1m in diameter at its widest point. The water is being pumped out of a spout 2m above the top of the tank. Recall that the density of water is = 1000kg/m^3 (a) Find the work needed to empty the tank if it is full. Include units. (b) ... 
Organic Chemistry
Hi, this is a sterechemistry problem. If you have a fisher projection problem with Ch3 at the top, Cl on the left, ethyl group on the right, and a CH double bonded to a CH2 (CH=CH2)on the bottom, it is an S nomenclature correct? I figured out that Cl is 1st priority, and CH3 ... 
Organic Chemistry
Hi, this is a sterechemistry problem. If you have a fisher projection problem with Ch3 at the top, Cl on the left, ethyl group on the right, and a CH double bonded to a CH2 (CH=CH2)on the bottom, it is an S nomenclature correct? I figured out that Cl is 1st priority, and CH3 ... 
physics
A gun is mounted at the top of light house of height h. A similar gun is mounted in the boat in the sea. Both the guns can fire shots with speed upto under root 2gk, where k>h. What will be the area in which gun at the top can be gun in the boat, but gun in the boat cannot ... 
Chemistry
What is the different b/n change in internal energy(^E) and enthalpy change(^H) ? Under what circumstances are change of internal energy(^E) and enthalpy change(^H)? 
physics again
A Chinook salmon has a maximum underwater speed of 3.58 m/s, but it can jump out of water with a speed of 6.26 m/s. To move upstream past a waterfall, the salmon does not need to jump to the top of the fall, but only to a point in the fall where the water speed is less than 3.... 
algebra
sam mowed half of the yard on friday and half of the remaining grass on saturday what fractional part of yard still needs to be mowed 
Fractions
Yolana worked 1 1/2 hours raking leaves. Keaton raked leaves for 45 minutes. What fractional part of Yolana's time did Keaton work? A. 1/45 B. 15/45 C. 1/2 D. 3/4 
question
bus holds 66 people. Starts out empty. Picks up 1 person at the 1st station. 2nd person at the 2nd station 3rd person at the 3rd station and so on. No one gets off. After how many stations will fill up the bus Show your work explain your thinking? 
Urgent! PreCal
A wheelchair ramp with a length of 122 inches(top of ramp) and has a horizontal distance of 120 inches(bottom of ramp): a) what is the ramp's vertical distance(x)? b)Construction laws are very specific when it comes to ramps. Each vertical rise of 1 inch requires a horizontal ... 
English
1. He goes to a concert once a week. [ 'a' in 'once a week' means 'per'. Then, what does 'a' in 'a concert' mean? Does the 'a' mean 'one'?] 
Chemistry
Reposted: Use Hess's law to calculate the enthalpy change for the reaction: 3C(s) + 3H2(g) yield C3H6(g) Given the following thermochemical equations: 2C3H6(g) + 9O2(g) yield 6CO2(g) + 6H2O(l) enthalpy change= 4116.0 kJ/mol C(s) + O2(g) yield CO2(g) enthalpy change= 393.51 ... 
physics
A straight ladder is leaning against the wall of a house. The ladder has rails 4.50 m long, joined by rungs 0.470 m long. Its bottom end is on solid but sloping ground so that the top of the ladder is 0.780 m to the left of where it should be, and the ladder is unsafe to climb... 
physics
A rocket engine on a spacecraft of total mass 10,000kg ejected 1.4kg of hot gases every second at an average discontinuous speed of 240ms1. 1 What was the force on the spacecraft? 2 What was the acceleration of the spacecraft? 3If the engines were used for 30's, what was ... 
physics
Consider a plane pulling up from a downward dive. If the plane has a speed of 85 m/s at the bottom of the dive and the radius of curvature of the dive is 240 m, what is the normal force on a 78 kg pilot at the bottom of the dive? A. 770 N B. 790 N C. 1600 N D. 2300 N E. 3100 N 
Math
an ice cream cone contains one spherical scoop of ice cream,the diameter of the scoop of ice cream is the same as the diameter of the cone. If the ice cream melts, will the cone overflow? Justify your answer. 4cm spherical scoop of ice cream diameter of cone 7cm 
maths
Starting with x0 = 0 (x0 has diagonal 0 that is smaller and towards the bottom) use the iteration formuala xn+1 = 4/ xn^2 +5 twice (for xn+1 the n+1 is smaller than x and diagonal towards the bottom also for xn^2 the n^2 is smaller than the x and diagonal towards the bottom of... 
algebra 2
A person playing a game of chance has a 0.25 probability of winning. If the person plays the game 20 times and wins half of that number of times, what is the difference between the theoretical probability and the experimental probability of that person winning ? 0.50 0.25 0.30... 
GCU
The weight W of an aluminum flatboat varies directly with the L length of the boat. If a 9ft boat weighs 162 pounds, then what is the weight of a 8 ft boat? 
GCU
The weight W of an aluminum flatboat varies directly with the L length of the boat. If a 11ft boat weighs 132 pounds, then what is the weight of a 13 ft boat? 
algebra
the weight w of an aluminum flatboat varies directly with the L length of the boat. If a 8ft boat weighs 120 pounds, then what is the weight of a 7 ft boat? 
Psychology
I need to find a historical person or a wellknown person that is alive today who has a psychological disorder. I was wondering if I could get ideas on who to write about. 
math
How many hours would a person have to jump rope in order to lose 1 pound? If a person uses 750 cal/h. 
physics
A person of mass 65 kg is ascending on an escalator at a constant velocity of 2.5 m/s [22°above the horizontal]. Why The magnitude of the net force acting on the person is 0 N 
math
At a political rally there are 20 republicians, 13 democrates, 6 independents. If a person is chosen at random what is the probability that a) the person is either a democrate or and independent? 
Science
A person moves 30m north, then 20m east and finally 30 root 2m south west. Find the displacement of the person. 
Calculus
A marble is dropped from the top of the empire state building. a. Determine the position and velocity functions for the marble b. What is the average velocity for the first 3 seconds of flight? c. Whatisthespeedofthemarblewhent=0? t=3? t=6? d. How long does a person looking up... 
maths
2 clocks set at 6am 1loses 2mns every hour 1 gains 1mn every hour at what time will they be 10mns apart 
Statistics
In a recent study, 100 males used a new weightloss supplement, and all but 20 of them experienced weight loss after two weeks. In the same study, 20 females used the same supplement, and all but 4 of them experienced weight loss after two weeks. The new weight loss supplement... 
chemistry
How will the volume of a fixed sample of gas change if its pressure is doubled and the Kelvin temperature is doubled? a)the change cannot be determined without more specific information b)it will decrease by a factor of 2 c)it will increase by a factor of 4 d)no change e)it ... 
physics
A golf bounces down a flight of steel stairs, striking several steps on the way down, but never hitting the edge of a step. The ball starts at the top step with a vertical velocity component of zero. If all the collisions with the stairs are elastic, and if the vertical height...