# 3. A gas is confined in a 0.47-m-diameter cylinder by a piston, on which rests a weight. The mass of the piston and weight together is 150 kg. The atmospheric pressure is 101 kPa. (a)What is the pressure of the

17,995 results, page 99-
## math

tree pipes of diameter 1 m are held together by a taut metal band as shown. Find the length in meters, of the metal band.

*asked by lia on January 29, 2017* -
## physics

A small steel ball rolls off a table (1 meter high) with a speed of 2 m/s. Where should they place a can (15 cm high; diameter 10 cm) to catch the ball?

*asked by Anonymous on October 17, 2013* -
## physics

a wire of resistance 5omega is bent in the form of a closed circle . what is the effective resistance between the two points at ends of any diameter of the circle?

*asked by jatin on June 9, 2014* -
## physics

A small steel ball rolls off a table (1 meter high) with a speed of 2 m/s. Where should they place a can (15 cm high; diameter 10 cm) to catch the ball?

*asked by mimi on October 18, 2011* -
## physics

A child looks at his reflection in a spherical tree ornament 12.0 cm in diameter, and sees an image of his face that us reduced by one-fourth. How far is his face from the ornament?

*asked by Anonymous on March 30, 2008* -
## MATH

The moon's distance from the earth is 360000 km and its diameter subtends an angle of 31 minute at the of the observer on the earth . Find the radius of the moon.

*asked by Pankaj on March 5, 2016* -
## math

A cylindrical tin of diameter 9cm and height 224cm is half filled with water.Find the volume of water in the tin.

*asked by Kevin on September 8, 2016* -
## physics

a copper wire has a diameter of o.5mm and resistivity of 1.6*10power 6 ohm cm.calculate the length of wire which will be necessary to make 10 ohm coil

*asked by kanika on June 16, 2014* -
## physics

A convex mirror has a focal length of -13 cm. A lightbulb with a diameter of 5.6 cm is placed 60.0 cm in front of the mirror. a. Locate the image of the lightbulb. b. Whats the diamter?

*asked by Anonymous on May 20, 2008* -
## Process Technology

How many minutes will it take for an oil well producing 350 barrels of oil per day to fill a 14 foot diameter by 49 foot tall tank?

*asked by Cori on January 7, 2012* -
## Physics

Water flows at a rate of 8.0 L/s through an opening at the bottom of a tank that has a diameter of 4.0 cm. How high is the water level of this open- top tank?

*asked by Anonymous on May 30, 2016* -
## Physics

A wheel 32.6 cm in diameter accelerates uniformly from 247 rpm to 378 rpm in 6.54 s. How far will a point on the edge of the wheel have traveled in this time

*asked by Anonymous on February 20, 2015* -
## Surface areas and volumes

The inner diameter of a circular well is 3.5m .It is 10m deep (a) find the inner curved surface area (b)the cost of plastering the curved surface at the rate of 40/-per m^2

*asked by Anonymous on December 2, 2016* -
## Math

A cone shaped paper cup has a height of 7 inches and a diameter of 5 inches. What is the volume of the cone? Round to the nearest hundreth

*asked by Tina Clark on May 22, 2012* -
## math

(1)How much water can be held by a cylindrical tank with a radius of 12 feet and a height of 30 feet. (2)The diameter of a frisbee is 12 inches, what is the area of the frisbee

*asked by Misty on June 21, 2012* -
## math

If a plant manufacturing carpet backing has a cylindrical tank that is 3 meters high and is 6 meters in diameter. What is the volume of the tank? Assume 3.14 for pi.

*asked by Anonymous on March 29, 2012* -
## geometry

A triangle is inscribed in a circle. One side of the triagle has lenghth 12 cm, and the angle opposite that side measures 30 degrees. What is the diameter of the circle?

*asked by Jenna on March 8, 2012* -
## Math

A cone has a diameter of 12 feet and a slant height of 20 feet, if you triple both dimensions will it triple the surface area?? PLEASE ANSWER QUICKLY!!!

*asked by Withheld on May 12, 2010* -
## Hydrology

assuming a peak flow velocity of 3 m/s determine culvert diameter if peak flow rate will 9790 cubic metres per second

*asked by mohameed on November 12, 2007* -
## energy

A 9.97kg object slides along the frictionless loop the loop with a diameter of 3 m . what minimum speed must it have at the loop in order to remain in contact with the loop ?

*asked by Anonymous on April 27, 2016* -
## Science

Please check my answers (at the bottom) with these questions. 1. An apple quickly changes color when exposed to air. This demonstrates a ________. (1 point) physical property chemical property physical change all of the above 2. When a chunk of dry ice is

*asked by Annabelle Hartz on May 7, 2013* -
## Maths

the diagram shows a composite solid consisting of cone and a hemisphere.the cone has a height of 10 cm a base diameter of 12 cm .Find volume. Of the whole solid.

*asked by Hussan on September 27, 2016* -
## Physics

18 mols of gold are shaped like a sphere. What is the sphere’s diameter. Note the atomic mass of gold is 0.197 kg/mol and its density is 19,300 kg/m3.

*asked by Anonymous on June 6, 2016* -
## math

A spherical helium balloon has a diameter of 30 cm. How much helium is needed to fill the balloon, in cubic centimeters? Round your answer to the nearest centimeter

*asked by emerson on November 15, 2016* -
## Math

A certain marine engine has cylinders that are 3.55 inches in diameter and 3.74 inches deep. Find the total volume of 4 cylinders? hard question is there formula

*asked by kristine on November 28, 2015* -
## Math

Yan water leaks from a hemispherical bowl of 8 cm diameter at the rate of 10 cm per hour .How fast is the surface falling when the water is 2 cm deep in the bowl

*asked by Yan on September 9, 2015* -
## science

A jogger jogs around a circular track with a diameter of 330 meters in 31 minutes. What was the runner's average speed? What was the runner's average velocity

*asked by Anonymous on February 5, 2012* -
## Precalc

1. If a bicycle wheel has a diameter of 27 inches, find the radian measure of the angle through which the wheel turns as the bicycle travels a distance of one mile. thanks!!

*asked by Rebekah on January 9, 2013* -
## physic

If it takes 2.45 min to fill a 24.5 L bucket with water flowing from a garden hose of diameter 2.70 cm, determine the speed at which water is traveling through the hose.

*asked by tina on May 2, 2014* -
## Math

I have a 2500 gallon horizontal cylindrical tank that is 11 feet long and has a diameter of 6 feet 4 inches. How much liquid is in it when I measure 27 inches of water ?

*asked by Jorntronstad on February 4, 2013* -
## Math

hi! I need help with this question please help! The question is: Each tire of a bicycle has a diameter of 26 inches. if you start pedaling and the tires make 10 complete rotations, how far has the bicycle traveled? Thanks! :]

*asked by Amy on April 26, 2012* -
## physic

The resistivity of gold is at a temperature of 20°C. A gold wire, 1.8 mm in diameter and 14 cm long, carries a current of 480 ma. The power dissipated in the wire is closest to:

*asked by paul on August 4, 2010* -
## Find the Volume

The diameter of a Sphere is 4.8 cm Use 3.14 and round to the nearest thousandth. A 57.876 cm3 B 463.012 cm3 c 289.382 cm3 d 72.346 cm3

*asked by Felicia on June 14, 2010* -
## Precalc

1. If a bicycle wheel has a diameter of 27 inches, find the radian measure of the angle through which the wheel turns as the bicycle travels a distance of one mile. thanks!!

*asked by Rebekah on January 10, 2013* -
## Math

A spherical water balloon has a diameter of 10 cm. How much water is needed to fill the balloon, in cubic centimeters? Round your answer to the nearest centimeter. (Use 3.14 for π.)

*asked by John on May 19, 2015* -
## geometry

the diameter of the metal rack represented is 34 cm. To add two support wires (AB and CD) each 8 cm from the center of the rack and perpendicular to the horizontal wires , how many centimeters of wire would you need?

*asked by lanae on April 30, 2012* -
## Math

Can you help me with this? I did the first part here: The diameter of a tire is 2.5ft. A. find the circumference. (my answer is 7.85) B. how many times will the tire have to rotate to travel 1 mile? (1 mile = 5,280ft) Thank you :)

*asked by ShannonPanda on February 16, 2018* -
## math

A bicycle wheel has a diameter of 65cm paring a journey, the wheel makes 1000 complete revolutions .how many metres does the bicycle travel ,Use the value 3.14 for r.

*asked by zainab on November 13, 2018* -
## calculus

The strength of a rectangular beam is proportional to width*depth^2. What are the dimensions of the strongest rectangular beam that can be cut out of a 12 inch diameter log?

*asked by Susan on December 4, 2010* -
## Chemistry 101

Calculate the mass of a cylindrical cork of diameter 1.00 inches and length 2.50 inches. Pay attention to significant figures, Cork density 0.26 g/ mL

*asked by Lilly on January 19, 2016* -
## physics

a tire inflated to a gauge pressure of 2 bars has a nail 3mm in diameter embedded in it. what is the force tending to push the nail out of the tire?

*asked by russel on July 3, 2012* -
## physical science

What length of German silver wire, diameter 0.050 cm, is needed to make a 28 Ωresistor, if the resistivity of German silver is 2.2 × 〖10〗^(-7) Ω m (show work)

*asked by michelle on February 17, 2017* -
## Math

The diameter of a soup can is 7cm. The label wraps around the can. About how many centimeters long must the label be to go all the way around the soup can?(use 22/7 for pi) explain how to mentally check whether your answer is reasonable.

*asked by Brittany on February 4, 2016* -
## physics

steeel and silver wire of the same diameter and same length are stretched with equal tension. what is the fundamental frequency of the silver wire if that of the steel is 200 Hz.

*asked by Anonymous on August 16, 2012* -
## math

the diameter of a soup can is 7cm. the label wraps around the can. about how many centimeters long must the label be to go all the way around the soup can? use 22/7 for pi describe how to mentally check whether your answer is reasonable

*asked by jacob on January 5, 2011* -
## physics

a roller whose diameter is 20 in weight 72 lbs. what horizontal force is necessary to pull the roller over a brick 2 in high when (a) the force is applied to the center, (b) at the top

*asked by peter on October 12, 2012* -
## Physics

A pipe of constant diameter 13.4 cm carries water up a hill 30.34 m high. How much pressure is required at the bottom of the hill if the water is to reach the top?

*asked by Supansa on May 5, 2016* -
## Math ( Palette of Problem)s)

A cone shaped paper cup has a height of 7 inches and a diameter of 5 inches. What is the volume of the cone round your answer to the nearest hundredth.

*asked by Tina Clark on May 21, 2012* -
## physics

the resistance of 100.0cm of constantan wire whose diameter of cross-section is 0.55m is 5ohm find the resistivity of constantan wire

*asked by matrix school 2 on August 4, 2009* -
## trig

A wheel with a 24-inch diameter is turning at the rate of 32 revolutions per minute. To the nearest inch per minute, what is the linear velocity of a point on the rim?

*asked by helo on July 4, 2013* -
## physics

a metal wire 1.0 mm in diameter and 2.0 m long hangs vertically with a 5.0 kg mass suspended from it. if the wire stretches 1.2 mm under the tension, what is the value of the young's modulus for metal?

*asked by pat on January 11, 2011* -
## physics

to what height should a cylindrical vessel of diameter d be filled with a liquid so that due to force on the verticle surface of the vessel be equal to the force on the bottom

*asked by ash on December 1, 2015* -
## math

Determine whether each statement is true or false. A chord that contains the center of the sphere is a diameter of the sphere. A tangent of a sphere is a line that intersects a sphere in exactly two points.

*asked by Jonah on April 26, 2018* -
## math

How do you calculate the total number cells in a human body given that a cell is 1/1,000 of an inch in diameter and the average human body is 66 inches?

*asked by rich on September 10, 2012* -
## Math

The diameter of the planet Saturn is about 75,000 miles. The circumference of the planet can be found using the formula C=3.14d . What is the circumference in scientific notation ? Use 3.14 for ratio

*asked by Susy on December 10, 2015* -
## math

a race track is a mile around circle which equals 5,280 circumference. To find the diameter (the the width of the center of the circle) do I divide the 5,280 by 2?

*asked by Sandy on March 5, 2013* -
## FLUID MECHANICS

For oil (SG =0.86 and μ = 0.025 Ns/m2) flow of 0.5 m3/s through a round pipe with diameter of 500 mm, determine the Reynolds Number. Determine also whether the flow is laminar or turbulent.

*asked by ANNA on May 3, 2014* -
## Physics

A wheel 31.7 cm in diameter accelerates uniformly from 238 rpm to 347 rpm in 5.9 seconds. How far will a point on the rim of the wheel have travelled in this time?

*asked by Emily on April 4, 2014* -
## physics

A Ferris wheel at an amusement park having a diameter of 14 m completes one rotation in 45 s. (a) What is the rotational speed of this Ferris wheel in revolution per minute and in degrees per second?

*asked by anonymous on March 3, 2011* -
## math

I have a math assignment and i am meant to do i backyard design and i have to fit in a fishpond which has an outside diameter of 2.5 and a water depth of 40cm. how should i measure it out into the backyard design?

*asked by Joshua on August 7, 2011* -
## L PreCal

A typical record album is 12in in diameter and plays at 33 1/3 revolutions per min. What is the angular speed of a record album? Can someone show me how to do this?? I'm so lost!!

*asked by Norah on September 10, 2010* -
## L PreCal

A typical record album is 12in in diameter and plays at 33 1/3 revolutions per min. What is the angular speed of a record album? Can someone show me how to do this?? I'm so lost!!

*asked by Norah on September 10, 2010* -
## algebra

a truck has a diameter of 25 inches. a tack is stuck on the bottom of the tire. if the truck travels one mile, how many times will the tack touch the road?

*asked by Anonymous on March 2, 2011* -
## precalculus

Find the focus, directrix, and focal diameter of the parabola. 9x + 7y2 = 0 my answers were focus = -9/28,0 fd =9/7 directrix= -9/28 (this ans. is incorrect) what am I missing? pls help

*asked by amaa on December 2, 2012* -
## trigonometry

A wheel with a 15-inch diameter is turning at the rate of 60 revolutions per minute. To the nearest inch per minute, what is the linear speed of a point on the rim?

*asked by steve on September 22, 2014* -
## physics

a tire inflated to a gauge pressure of 2 bars has a nail 3mm in diameter embedded in it. what is the force tending to push the nail out of the tire?

*asked by russel on July 3, 2012* -
## physics

A 6.4 cm diameter horizontal pipe gradually narrows to 5.2 cm . When water flows through this pipe at a certain rate, the gauge pressure in these two sections is 30.0 kPa and 20.2 kPa , respectively

*asked by help on April 27, 2017* -
## math

If A Bicycle Wheel Has A Diameter Of 27 Inches, Find The Radian Measure Of The Angle Through Which The Wheel Turns As The Bicycle Travels A Distance Of 1 Mile

*asked by Anonymous on February 4, 2015* -
## physics

what is the magnitude of the displacement of a car that travels half a lap along a circle of radius 150m? would the answer be half of the circumference or would it be the diameter of the circle?

*asked by Anonymous on October 19, 2008* -
## math

A cylindrical tank with diameter 20in. is half filled with water. How much will the water level rise if a metallic ball of radius 4 in. is placed in the tank?

*asked by mary on April 27, 2016* -
## math

If a bicycle wheel has a diameter of 63 centimeter. During A journey the wheel make a 510 revolution .how many meter does the bicycle travel

*asked by peta on January 30, 2011* -
## Math - Please Help

A right circular cone has a volume of 140 in^3. The height of the cone is the same length as the diameter of the base. Find the radius and height.

*asked by Barb on February 18, 2013* -
## Chemistry

The density of carbon in the form of diamonds is 3.51 g/cm^3. If you have a 40- carat spherical diamond, what is the diameter of the diamond in millimeters? (1 carat=0.200 g)

*asked by Sophie on March 7, 2013* -
## Physics

A 3000N force stretches a wire by 2.0mm. A second wire of the same material is twice as long and has twice the diameter. How much force is needed to stretch it by 1.0 mm?

*asked by Sarah on March 31, 2014* -
## Calculus

A rectangle is constructed with its base on the diameter of a semicircle with radius 5 cm and with two vertices on the semicircle. What are the dimensions of the rectangle with maximum area?

*asked by Tiff on November 8, 2010* -
## calculus

A rectangle is constructed with its base on the diameter of a semicircle with radius 5 cm and with two vertices on the semicircle. What are the dimensions of the rectangle with maximum area?

*asked by Bob on November 5, 2010* -
## Math, geometry

A porch has the shape of a semicircle with a diameter of 7 ft. What is the approximate area of the porch, rounded to the nearest square foot? Use 3.14 to approximate pi. Help!

*asked by ♪♫ on March 5, 2015* -
## physics

What wavelength of sound would a bat need to detect a 1cm diameter mosquito? Also, if it took 0.3 seconds for sound to return to a moth how far away would the moth be?

*asked by Shelby on April 12, 2013* -
## Math

The wheels of a bicycle have a 24 inch diameter. When the bike is being ridden so that the wheels make 12 rpm, how far will the bike travel in one minute?

*asked by Kay on February 27, 2013* -
## Calculus

Find the area of the largest rectangle that fits inside a semicircle of radius 10 (one side of the rectangle is along the diameter of the semicircle).

*asked by Chris on April 28, 2015* -
## Math

A car wheel has a diameter of 0.4 meters. Work out how many full turns the wheel makes when the car travels a kilometer

*asked by Jenny on April 10, 2013* -
## math

A circular pool 2 meters in diameter is in the middle of a 5 meter by 5 meter square of gravel.What is the area actually covered by gravel?

*asked by Tasha on November 22, 2015* -
## science

If a scale model of the planets are built with Earth's diameter set to 10 centimeters, how big would the model of Jupiter have to be in centimeters?

*asked by wyatt on April 1, 2013* -
## Math

Val Measures the diameter of a ball as 12 inches. How many cubic inches of air does this ball hold, to the nearest tenth? Use 3.14 for Pi

*asked by Anonymous on May 2, 2016* -
## Geometry

A solid is composed of a cube with side length 6 meters and a hemisphere with diameter 6 meters. Find the volume of the solid.

*asked by Peter on June 1, 2011* -
## math

a vase is in the shape of a cone that is 10 inches tall with a diameter of 3 inches. what is the greatest amount of water the vase can hold a.) 23.56 in.^3 b.) 54.72 in.^3 c.) 70.65 in.^3 d.) 94.25 in.^3

*asked by Sam on April 13, 2016* -
## math

a cylindrical tank with diameter 2.0m and height 3.2m is to be filled with water. how many litres of water are needed to fill the tank? 100cm3 = 1L

*asked by laf on January 13, 2013* -
## prealgebra

Caitlin's cylindrical jar holds 525 cubic inches. If the height of the jar is 7 inches what is the approximate diameter?

*asked by Anna on March 7, 2014* -
## math

a bowling ball has a diameter of 8.4 in. It is made of plastic that weighs 0.05lb/in cubed.Find the weight of the bowling ball

*asked by christina on August 12, 2011* -
## urgent physics help

when the full moon directly overhead the angle from one edge of the moon to the other is measured to be 0.6970 if the diameter of the moon is 3650 km how far is it from the moon

*asked by Anonyomous on October 13, 2015* -
## Maths

A circular lily pond is surrounded by a gravel walkway that is 4 m wide. Calculate the area of the walkway if the pond is 12 m in diameter.

*asked by Harry on August 28, 2014* -
## geometry

A bicycle tire has a diameter of 60cm and rotates 33.3 revolutions per minute.How far does a point on the edge of the tire travel in a minute? Use 3.14 for pi.

*asked by Ghislaine on June 18, 2014* -
## Physics/math

Here is the problem A typical atom has a diameter of about 1.0 X 10^-10m. What it is in inches? How many atoms are there along a 1.0 cm line? ( I got the first part but confuse w/ the second part. how do I know how many atoms are there? Please help me)

*asked by ZneedHeLP on August 13, 2008* -
## physics

In a Newton's rings experiment, the radius of ring of the lens is 10.0cm and its diameter is 5.0cm. Determine how many of that rings are produced

*asked by Matrix School 2 on July 28, 2009* -
## pyhsical science

A wire of uniform cross-section has a resistance of R Ω. What would be the resistance of a similar wire, made of the same material, but twice as long and of twice the diameter?

*asked by michelle on February 17, 2017* -
## physics

A power transmission line is made of copper that is 1.8 cm in diameter. If the resistivity of copper is 1.725 10-8 Ω · m, find the resistance of 7 mi of the line.

*asked by Joe on July 7, 2016* -
## Physics Electricity and magnetism

Two 10-cm-diameter charged rings face each other, 15.0 cm apart. Both rings are charged to + 30.0 nC . What is the electric field strength at the center of the left ring?

*asked by Anonymous on September 15, 2016* -
## Chemistry- help

1) How do I calculate what the mass would be for the flask containing water and alkaseltzer if: -mass of flask and the 10ml of water equals 150.23g -mass of alkaselzer equals 0.65g Calculate the mass of the carbon dioxide gas if: -mass of flask , water ,

*asked by Cyn on September 11, 2012* -
## SCIENCE

When the following are placed in water, for which of them will the buoyant force be more than as its weight? A) an ice cube B) a piece of frozen glycerin C) a gold ring D) a piece of aluminum foil 2. Sometimes when I get in my swimming pool I take a

*asked by Erica on September 15, 2011* -
## SCIENCE

When the following are placed in water, for which of them will the buoyant force be more than as its weight? A) an ice cube B) a piece of frozen glycerin C) a gold ring D) a piece of aluminum foil 2. Sometimes when I get in my swimming pool I take a

*asked by Erica on September 15, 2011*