Thursday
April 24, 2014

Search: A rectangular swimming pool is to be built with an area

Number of results: 3,802

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?
Friday, February 4, 2011 at 1:37am by corinne

4th grade
Mr. Kimball has a swimming pool that measures 20 feet long by 15 feet wide. He is adding a walkway around the pool that is 3 feet wide all around. What will be the perimeter of the walkway?
Monday, April 19, 2010 at 4:16pm by Kiara

chemistry
What would be the dangers of mixing chlorofluorocarbons (r-22 refrigerant)and chlorine gas in a indoor swimming pool area? Question is in regard to a substanial R-22 refrigerant leak that ends up in a enclosed pool area daily mixing with chlorine gas in that room.
Monday, December 26, 2011 at 7:44pm by Dennis

Chemistry
What would be the dangers of mixing chlorofluorocarbons (r-22 refrigerant)and chlorine gas in a indoor swimming pool area? Question is in regard to a substanial R-22 refrigerant leak that ends up in a enclosed pool area daily mixing with chlorine gas in that room.
Tuesday, December 27, 2011 at 3:49pm by Dennis

Algebra
The deck around a swimming pool has the same width all the way around. The perimeter of the pool is 50m. The outside perimeter of the deck is 74m. What is the width of the deck
Monday, June 10, 2013 at 12:36am by Jenna

geometry
A swimming pool circular in shape has its distance around 282.74 ft, what is the area? in cm^2 in in^2 in m^2 TIA
Friday, April 20, 2012 at 6:26am by kilkaru

Basic Physics
If a swimming pool has dimensions; 28.2 5m x 10.0m x 2.30m, when it is full of water, what is the force on the bottom ?
Tuesday, December 18, 2012 at 1:54pm by Pam

English
Hi, i would like to ask How was Gatsby killed? He was floating in the swimming pool and George Wilson shot him but where
Saturday, March 27, 2010 at 11:53am by Ameena

PHYHICS
why does the water in a swimming pool look more shallow from the outside than when you step in? Explain this phenomenon
Thursday, August 30, 2012 at 4:43pm by BIREN

english
I need 12 vivid verbs for the following words: lake, river, ocean, swimming pool.
Tuesday, September 11, 2012 at 9:34am by Lynn

PHYSICS
a) How much energy is required to evaporate all the water in a swimming pool of area 158 m2 and depth 4.1 m (b) The intensity of sunlight is about 1080 W/m2. If all of this energy is absorbed by the water in the pool, how long will it take for take the water to evaporate?
Wednesday, November 30, 2011 at 5:03pm by anon

Physics
Using a swimming pool, two students decide to test the water by setting up an interference pattern at one end of the 50 m pool. They sit 2.0 m apart and create waves by tapping their right foot, in phase with each other, onto the water at a frequency of 1.0 Hz. The speed of ...
Thursday, May 10, 2012 at 8:05pm by Asif

Calculus
A swimming pool is 60ft long by 25ft wide. Its depth varies uniformly from 3ft at the shallow end to 15ft at the deep end. The pool is being filled with water at a rate of 800ft3/min. There is 5ft of water at the deep end. What is the equation for finding the rate at which the...
Thursday, December 20, 2012 at 4:09pm by Lost

Algebra Please Help
Math Word problem with factoring...HELP!!! This questions has me stumped!? I have been working on it for days... A 10ft-by-15ft pool was installed in your backyard. You have $3000 left that you would like to spend on surrounding the pool with a patio, equally wide on all ...
Friday, May 6, 2011 at 9:12pm by Gina

math
mr. ming may swim the perimeter of Pool A or Pool B. In which pool must he swim farther? How much farther? Pool A measurements: 10m, 2m Pool B: 7m, 7,
Monday, January 3, 2011 at 3:55am by Anonymous

math
mr. ming may swim the perimeter of Pool A or Pool B. In which pool must he swim farther? How much farther? Pool A measurements: 10m, 2m Pool B: 7m, 7m
Monday, January 3, 2011 at 3:55am by Anonymous

chemistry
A diver is able to cut through water in a swimming pool. Which property of matter does this observation show?
Thursday, May 1, 2008 at 5:15am by aakash

chemistry
What would be the dangers of mixing chlorofluorocarbons (r-22 refrigerant)and chlorine gas in a indoor swimming pool area?
Monday, December 26, 2011 at 5:00pm by Dennis

Math
A man built a walk of uniform width around a rectangular pool. If the area of the walk is 429 square feet and the dimensions of the pool are 10 feet by 18 feet, how wide is the walk?
Saturday, September 22, 2012 at 1:19am by Aaron

math
The rectangular part of her pool is 8 meters by 6 meters. The triangular part has a height of 4 meters and a base of 5 meters. what is the area of the pool cover sally will buy
Tuesday, September 25, 2012 at 9:32pm by olivia

math
you are putting in a 20ftx30ft rectangular pool. your pool must be surrounded by a concrete sidewalk of uniform width and 3in thick. write an expression in terms of x to represent the volume of concrete contained in the sidewalk. explain how you got your expression.
Thursday, February 28, 2008 at 7:43pm by tyler

science - biology
If our cells and body fluids are hypertonic to the water of a swimming pool, then why do we not swell and pop when we go for a swim?
Wednesday, December 2, 2009 at 7:52pm by Cyn

Science
A swimming pool measures 10m x 7m x2m. Calculate the total force exerted by the water against the bottom.
Thursday, October 27, 2011 at 9:55am by Steve

English
1. He is a member of the swimming club 2. 2. He is a member of the Swimming Club 2. 3. He is a member of Swimming Club 2. 4. He is a member of a swimming club 2. (Which one is correct? There are two swimming clubs here. In this case which expression should we use?)
Friday, November 30, 2012 at 12:33am by rfvv

math (calculate speed)
A swimmer of mass m is at a swimming pool. They climb the steps to the diving board 4.0 m above the water. They jump off the board, which enables them to rise a further 0.7 m before they begin their descent into the pool. At what speed do they enter the water? You may assume ...
Tuesday, January 8, 2013 at 5:13pm by AMT

math (calculate speed)
A swimmer of mass m is at a swimming pool. They climb the steps to the diving board 4.0 m above the water. They jump off the board, which enables them to rise a further 0.7 m before they begin their descent into the pool. At what speed do they enter the water? You may assume ...
Tuesday, January 8, 2013 at 8:53pm by AMT

physical science
. A swimming pool is exactly 20m long, 7m wide, and 2m deep. What is its volume in cubic feet to 3 significant figures?
Thursday, July 5, 2012 at 10:48pm by cathy

math(QUESTION)
4.B which unit of measurement is best to measure the amount of water in a swimming pool? A.milliliter B.kiloliter C.centiliter D.kilometer
Monday, March 10, 2014 at 2:25pm by matt

Physical Science [repost]
Can someone please check if my answers for these questions are correct? Thanks! 1.Explain in terms of force and distance how using a ramp to load boxes into a truck makes work easier. (Ans-) Less force is applied but the distance is longer. 2.A ball sitting on the top of a ...
Sunday, May 3, 2009 at 4:11pm by mysterychicken

Math
A swimming pool that is 100 feet in length by 10 feet deep and 40 feet wide is filled with water how many gallons of water are in the pool. (1cubic foot of water = 7.48 gallons of water) well for the volume of the water i got 40,000 cubic feet then for the gallons i thought ...
Wednesday, May 14, 2008 at 7:30pm by Mike

Physics
Your swimming pool is square and 6.1 m on a side. It is 1.4 m deep in the morning. If the temperature changes by 19°C during the afternoon, how much does the depth of the water increase?
Wednesday, November 30, 2011 at 10:08pm by Jon

physics
A person with a mass of 60kg climbs up to a diving board 4 meters above a swimming pool. what is the divers speed when entering the water? A 8.9m/s b 6.2m/s c 4.4m/s d 3.3m/s e 2.1 m/s
Wednesday, May 9, 2012 at 2:03am by neshia

Physics
Your swimming pool is square and 4.9 m on a side. It is 3.9 m deep in the morning. If the temperature changes by 44°C during the afternoon, how much does the depth of the water increase?
Tuesday, July 31, 2012 at 8:11pm by Sierra

Marine Park
what customary unit is most reasonable to measure the capacity of a Bathtub, A drinking glass, A swimming Pool, and a cereal bowl.
Wednesday, December 5, 2012 at 3:18pm by Aaliyah

math(CHECK answers)
4.D 4.which unit of measurement is best to measure the amount of water in a swimming pool? A.milliliter B.kiloliter C.centiliter D.kilometer
Monday, March 10, 2014 at 2:15pm by matt

Physics
A student of mass m is at a swimming pool. She climbs the steps to the diving board 4.0 m above the water. She jumps off the board, which enables her to rise a further 0.7 m before she begins her descent into the pool. At what speed does she enter the water? You may assume ...
Tuesday, April 23, 2013 at 2:03pm by Moo

Math
My cousin Robert was pushed into a pool. The pool was 6 feet Wide and 10 feet deep. The pool had soft walls. How did my Cousin Robert Emerge from the pool? Ans__________ Hint- We do not know if it's filled with water or not. It is a round pool. It is a ground pool.It has no ...
Tuesday, December 8, 2009 at 7:12pm by Diana

math
A 20-ft by 40-ft swimming pool is surrounded by a deck d feet wide. What is the area of the deck?
Wednesday, January 16, 2013 at 12:45pm by tishondra

math HELP PLZ DO MINE
There are 64 kids in the swimming pool there are 8 more girls than boys How many Boys are there?
Sunday, March 4, 2012 at 3:27pm by gabby

math
a pipe,filling a swimming pool,delivers 12 m of water in 10minutes.what is the rate of water
Wednesday, August 28, 2013 at 2:01pm by salome thwala

Math;Pre-Algebra
My cousin Robert was pushed into a pool. The pool was 6 feet Wide and 10 feet deep. The pool had soft walls. How did my Cousin Robert Emerge from the pool? Ans__________ Hint- We do not know if it's filled with water or not. It is a round pool. It is a ground pool.It has no ...
Tuesday, December 8, 2009 at 6:57pm by Molly

math
The municipal swimming pool in Nicetown has three different ways of paying for individual open swimming. Evan is trying to decide which way to pay. • Early Pay: Pay $45 before Memorial Day; swim any number of days • Deposit Plus: $20 deposit plus $2.00 per day • Daily Pay: $3....
Wednesday, August 1, 2012 at 11:08am by Morgan

chemistry
a typical backyard swimming pool holds 150 yd^3 of water. what is the mass in pounds of the water?
Monday, January 25, 2010 at 12:08am by keiah

English
On summer vacation, I went to Spo1 Park. I went there by car. In the swimming pool of Spo1 Park, I enjoyed swimming and learned how to swim on my back (how to swim the backstroke, how to do the backstroke). It was not easy to swim on the back. I always feel so happy when I ...
Saturday, August 28, 2010 at 6:04am by rfvv

math project.. PLEASE HELP!!
The municipal swimming pool in Nicetown has three different ways of paying for individual open swimming. Evan is trying to decide which way to pay. • Early Pay: Pay $45 before Memorial Day; swim any number of days • Deposit Plus: $20 deposit plus $2.00 per day • Daily Pay: $3....
Monday, July 30, 2012 at 3:58pm by Morgan

Physics -- Temp and heat
Your swimming pool is square and 5.7 m on a side. It is 1.5 m deep in the morning. If the temperature changes by 14°C during the afternoon, how much does the depth of the water increase?
Saturday, November 26, 2011 at 10:39pm by Anon14

math
Troy is building a pool that is proportional to the Olympic-sized pool. The width of his pool will be 625 centimeters. find the scale factor troy will use to build his pool use the scale factor to show the length of troys pool if the length of the Olympica pool is 50 meters ...
Thursday, December 16, 2010 at 9:53pm by Court

urgent!!
Summer Swimming Selection The municipal swimming pool in Nicetown has three different ways of paying for individual open swimming. Evan is trying to decide which way to pay. • Early Pay: Pay $45 before Memorial Day; swim any number of days • Deposit Plus: $20 deposit plus $2....
Wednesday, August 1, 2012 at 2:58pm by Morgan

chemistry
A home swimming pool is disinfected by the daily addition of 0.50 gal (1 gal = 3.785 L) of a "chlorine" solution–NaOCl in NaOH(aq). To maintain the proper acidity in the pool, the NaOH(aq) in the "chlorine" solution must be neutralized. By experiment it is found that about 220...
Tuesday, October 9, 2012 at 6:08pm by joe

Physical Science
Good afternoon. Can someone please check if my answers for these questions are correct? Thanks! 1.Explain in terms of force and distance how using a ramp to load boxes into a truck makes work easier. (Ans-) Less force is applied but the distance is longer. 2.A ball sitting on ...
Sunday, May 3, 2009 at 12:23pm by mysterychicken

Math
I need some help with this problem please!! your parents are installing a rectangular in-ground pool with the dimensions 24 feet by 10 feet. They decide to place a walkway around the pool 3 feet wide. What is the area of the proposed walkway? Answers: a.) 240 square feet b.) ...
Monday, April 23, 2012 at 6:02pm by Taylor Leigh

Physics
A sidewalk is to be constructed around a swimming pool that measures (11.00+/-0.12) m by (17.40+/-0.12) m. If the sidewalk is to measure (1.22+/-0.02) m wide by (9.60+/-0.15) cm thick, what volume of concrete is needed?
Tuesday, January 18, 2011 at 9:16pm by Brenda

Physical Science
Determine the concentration of the HCl in a swimming pool?given 100ml of a standard solution of Na2CO3 of concentration 0.05mol.dm
Thursday, May 26, 2011 at 1:38pm by kimberly

math
the levels of swimming pool in red from 4.5 to 6 feet. what is the percent increase in the water level rounded to the nearest tenth of a percent
Friday, March 7, 2014 at 12:12am by timi

Physics
Water has a density of 1000kg/m^3. The depth of a swimming pool at the deep end is about 4m. A)What is the volume of a column of water 4m deep and 1m^3 in cross-sectional area? B)What is the mass of this column of water? C)What is the weight of this column of water in newtons...
Tuesday, April 24, 2012 at 2:24am by Sara

Math
Troy is building a pool that is proprtional to an olympic-sized pool the width of his pool will be 625 centimeters find the scale factor.
Sunday, April 1, 2012 at 7:41pm by Lisa

Math
The Smiths have a pool that is 20 feet by 35 feet. A 5 foot wide deck completely surrounds the pool. The average depth of the pool = 6 feet. How much surface area is covered by the proposed pool deck?
Thursday, June 14, 2012 at 6:55pm by Leo

Math
I cant figure out this problem. A pool is rectangular in shape, with a half-circle at one end. The length is 80 feet; the width is 30 feet; depth is 4ft the half-circle is appended to one of the thirty-foot sides, so that end is curved. Find the surface area of the pool.
Tuesday, September 25, 2007 at 7:01pm by Amy

math
30 minutes before the community pool closed, there were 15 swimmers in the pool . Six minutes later, there were 3 swimmers in the pool. What is the average change per minute in the number of swimmers in the pool?
Thursday, September 29, 2011 at 5:29pm by ginger

Physics/chem
Trying to beat the heat of summer, a physics grad student went to the local toy store and purchased a child's plastic swimming pool. Upon returning home, he filled it with 154 liters of water at 25°C. Realizing that the water would probably not be cool enough, he threw ice ...
Saturday, November 20, 2010 at 5:18pm by BG

math
Three pools are being drained for the winter. It takes Pool B twice as long to drain compared to Pool A, and it takes Pool B three times as long to drain compared to Pool C. If Pool C drains in 6 hours, which of the following is the number of hours it takes Pool A to drain
Tuesday, May 28, 2013 at 7:50pm by trey

FAST MATH HELP!
I can't remember the abbreviation for decimeter! Abbreviation: dm thanks hey.... the abb is dm.. 1. Factor 4m˛+40m+100 2. The area of a circle is given by the equation A = đ(25x˛+10x+1). Find an expression for the radius. 3. The bed of a pond can be modelled by 30 y= x˛-15x+14...
Wednesday, March 7, 2007 at 10:43am by Jenna

Physical Science
Which of the following is a heterogeneous mixture? A. water in a swimming pool B. sugar water C. a jar of mixed nuts D. stainless steel I think it's B.
Tuesday, August 27, 2013 at 7:39am by Danny

English
Thank you very much for the help with the run-on sentences! Can you check these three last paragraphs on accidents, please? 1)Once the dog escaped because there was a storm and it was afraid of lightning. It jumped over the fence and it went into my neighbour’s garden. There, ...
Friday, January 29, 2010 at 8:26am by Franco

math
which units would be most appropriate for measuring the perimeter of a swimming pool, square yards, yards, or cubic yards?
Tuesday, September 11, 2012 at 8:49pm by taliah

algebra
How many cubic feet are in the volume of a round swimming pool which is 16 feet in diameter and 4 feet deep throughout? Express your answer in terms of pi.
Tuesday, December 14, 2010 at 6:29pm by Ann

Algebra
how many cubic feet are in the volume of a round swimming pool which is 16 feet in diameter and 4 feet deep throughout?Express your answer in terms of pi.
Tuesday, December 14, 2010 at 10:24pm by Shane

algebra
how many cubic feet are in the volume of a round swimming pool which is 16 feet in diameter and 4 feet deep throughout? express answer in terms of pi.
Thursday, December 16, 2010 at 12:06pm by tyler

Math
I need help with these problems. I've gone over the material a lot, and I just don't understand! Please help fast, test is tomorrow! 1. Factor 4m˛+40m+100 2. The area of a circle is given by the equation A = đ(25x˛+10x+1). Find an expression for the radius. 3. The bed of a ...
Thursday, April 12, 2007 at 11:20pm by Marie

financial mgmt
Ettenheim village is considering building a town swimming pool. The annual facility cost would be $200,000. Staff salaries for the pool, which would only be open during the summer would be $75,000. Other fixed cost would be $20,000 a year. There are other expenses of $50 per ...
Friday, February 6, 2009 at 2:20pm by cindy

financial mgmt
Ettenheim village is considering building a town swimming pool. The annual facility cost would be $200,000. Staff salaries for the pool, which would only be open during the summer would be $75,000. Other fixed cost would be $20,000 a year. There are other expenses of $50 per ...
Monday, February 9, 2009 at 10:18am by cindy

algebra
How many cubic feet are inthe volume of a round swimming pool which is 16 feet in diameter and 4 feet deep throughout? Express your answer in tterms of pi.
Thursday, December 16, 2010 at 10:16pm by mw

physics
A rubber ball filled with air has a diameter of 21.7 cm and a mass of 0.523 kg. What force is required to hold the ball in equilibrium immediately below the surface of water in a swimming pool?
Monday, August 6, 2012 at 11:33pm by SAUCEDO

physics
A rubber ball filled with air has a diameter of 21.7 cm and a mass of 0.523 kg. What force is required to hold the ball in equilibrium immediately below the surface of water in a swimming pool?
Monday, August 6, 2012 at 11:34pm by SAUCEDO

English
Can you please tell me if the following sentences are possible? I really don't know how to say it in English. Thank you. 1) I do the shopping at the market every Saturday. (Should I consider it a mistake if the sentence started with "every Saturday"?) 2) I'm tanned because I ...
Tuesday, September 21, 2010 at 4:40pm by Franco

English
Can you please tell me if the following sentences are possible? I really don't know how to say it in English. Thank you. 1) I do the shopping at the market every Saturday. (Should I consider it a mistake if the sentence started with "every Saturday"?) 2) I'm tanned because I ...
Tuesday, September 21, 2010 at 4:40pm by Franco

Physics/Algebra
A student walks around a pool and estimates the pool has a circumference of 240 m. Using a protractor the students gages the angle of elevation to the top of the fountain, in the center of the pool, to be 74 degrees.
Sunday, August 14, 2011 at 5:40pm by Anon

physics
In searching the bottom of a pool at night, a watchman shines a narrow beam of light from his flashlight, 1.3 m above the water level, onto the surface of the water at a point 2.7m from the edge of the pool. Where does the spot of light hit the bottom of the pool, measured ...
Sunday, September 7, 2008 at 1:24am by Steve

Chemistry
This isn't really a homework question but I had been thinking about it today after class. Why does the concrete around an outdoor swimming pool become too hot to walk on while the water stays cool?
Wednesday, February 6, 2008 at 2:19am by Fuschia

english
1. Rewrite sentences using the Passive They’re going to open the sports complex next week. The sports complex... The USA manufacture a lot of sports equipment A lot of sports equipment... They’re building some tennis courts in the park. Some tennis courts... Johnson wrote a ...
Sunday, March 29, 2009 at 7:41am by Joan

math
There is a lap swimming pool is a rectangle with the depth of 4.5 feet. If the water is doubled is it the width, length, and depth doubled?
Sunday, March 4, 2012 at 9:07pm by Anonymous

Algebra
If each lap in a swimming pool is 100 meters long how many laps does it take to go a mile. I know there are 1609.344 meters in a mile, but what do I do from there?
Wednesday, October 14, 2009 at 9:32pm by Tyler

math
Im doing my homework and it provides barely any info. here is the question. Mr Harrison has a very large backyard. He contacted the Clover Pool Company to have a pool installed in the shape of a rectangle. The Clover Pool Company would build a pool that has a perimeter of 72 ...
Saturday, January 3, 2009 at 7:38pm by Mark

Alegbra
The length of a pool is 3 feet more than twice its width. If the perimeter of the pool is 72 feet, find the dimensions of the pool by writing and solving a system of equations.
Thursday, February 27, 2014 at 1:31am by EddieG

Alegbra
The length of a pool is 3 feet more than twice its width. If the perimeter of the pool is 72 feet, find the dimensions of the pool by writing and solving a system of equations.
Sunday, March 2, 2014 at 8:44pm by BrianP

math
A circular pool has a diameter of 12 feet. The pool is 5 feet deep everywhere. How much water is needed to fill the pool?
Wednesday, March 6, 2013 at 10:12pm by Jane

Algebra 1
A circular pool has a diameter of 12 feet. The pool is 5 feet deep everywhere. How much water is needed to fill the pool?
Thursday, February 27, 2014 at 6:25pm by Zoey

Chemistry
A pool is 4.57 m long, 3.04 m wide, and 1.83 m deep. If the pool is completely filled with water, what will the weight of the pool be in pounds if 1 Kg=2.2 pounds.
Monday, September 17, 2012 at 10:23pm by Emma

Physics
If the price of electrical energy is $0.10 per kilowatt*hour, what is the cost of using electrical energy to heat the water in a swimming pool (12.0m*9.00m*1.5m) from 15 to 27 degrees Celcius?
Tuesday, February 15, 2011 at 5:45pm by Heather

construction
A swimming pool is 120' long,45' wide and 10' deep.How long would it take to fill with water if your maximum fill rate was 15 gallons per minute?
Tuesday, July 26, 2011 at 11:37am by Mark

geometry
your neighbors are purchasing a pool. their backyard is 20 yards wide and 30 yards deep. unfortunately the pool dealer will only deal in liter sized pools what is the biggest pool they can get and how many liters will it be?
Sunday, March 6, 2011 at 3:59pm by victoria

math
Pool length (m) 9 Depth of pool (m) 1.6 Pool length (ft) 29 Is it correct to write that 9m (metric system) is 29 feet
Wednesday, December 5, 2012 at 2:02pm by randa

Physics/Chemistry
If the price of electrical energy is $0.10 per kilowatt*hour, what is the cost of using electrical energy to heat the water in a swimming pool (12.0m*9.00m*1.5m) from 15 to 27 degrees Celcius?
Tuesday, February 15, 2011 at 6:41pm by Heather

math
from 4 feet above a swimming pool, susan throws a ball upward witha velocity of 32 feet per second. how long does it take the ball to reach the water?
Thursday, March 24, 2011 at 8:13pm by kayla

math
A city planner has placed a square wading pool in the center of a park. The pool is surrpunded by a square fence, 20 meters wide. The tiles for the floor of the wading pool cover 121 sqaure meters. How wide is the wooden deck sprrounding the wading pool?
Wednesday, January 18, 2012 at 8:21pm by Linda

physics
A 62.0 kg diver falls from rest into a swimming pool from a height of 3.50 m. It takes 1.92 s for the diver to stop after entering the water. Find the magnitude of the average force exerted on the diver during that time.
Thursday, February 28, 2008 at 7:30pm by rory

physics
A 62.0 kg diver falls from rest into a swimming pool from a height of 3.50 m. It takes 1.92 s for the diver to stop after entering the water. Find the magnitude of the average force exerted on the diver during that time.
Saturday, March 1, 2008 at 3:53pm by rory

chm
How would you classify the following material?swimming pool water homogeneous mixture<<< heterogeneous mixture a pure element a pure compound depends on how many children have been in it
Saturday, February 23, 2013 at 11:52am by JJ

Physics
A large piece of wood, of mass 56 kg, falls over a waterfall and into the drop pool below. It enters the pool travelling at 12 ms-1 and is then subject to an upwards acceleration of 5.8 ms-2 due to its buoyancy. How long does it take before it bobs to the surface of the pool?
Thursday, September 30, 2010 at 8:28pm by Rebecca

physics
A ball of circumference 71.5 cm and mass 640 g is forced to the bottom of a swimming pool and then released. After initially accelerating upward, it rises at a constant velocity. (The density of water is 103 kg/m3.) (a) Calculate the buoyant force on the ball.
Saturday, March 24, 2012 at 1:48pm by sara

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