Container Definition and 347 Threads

Homework Statement A aluminum container has walls that are 23 mm thick. A radiation detector measures a rate of 542 Hz outside the container. The radiation source inside the container has a half-life of 2.4 years. What is the rate of radiation from the source inside the container...

i hv a question...? plis help me! a vertical container with base area measuring 14 cm by 17 cm is being filled with identical pieces of candy, each with a volume of 50 mm^3 and mass of 0.02 gr. assume that the volume of the empty spaces between the candis is negligible. if the height of the...

Homework Statement In an open glass container, 0.10 m of oil (rho=850 kg/m^3) floats on top of 0.20 m of water (1000 kg/m^3). What is the pressure at the bottom of the glass?Homework Equations (rho)(h)(g)= pressure at a depth of hThe Attempt at a Solution The only thing I'm not sure of is...

Homework Statement A Partially evacuated airtight container has a tight-fitting lid of surface area 77m^2 and negligible mass. If the force required to remove the lid is 480N and the atmospheric pressure is 1x10^5 Pa, what is the air pressure inside the container? Homework Equations...

Homework Statement A container has a 100 cm^2 piston with a mass of 10 kg that can slide up and down vertically without friction and is placed below a heater. Suppose the heater has 25 W of power and are turned on for 15 s. What is the final volume of the container? Initial Volume: 800 cm^{3}...

Homework Statement A tall cylinder with a cross-sectional area 12.0cm is partially filled with mercury; the surface of the mercury is 6.00cm above the bottom of the cylinder. Water is slowly poured in on top of the mercury, and the two fluids don't mix. What volume of water must be added...

Hey there guys i am new here and not sure if this is in the right section, well here goes. Just doing some revision and realized I must have been asleep for the Kinetic theory lessons, i have now grasped some of the basics, but have come to this question and not usre how to answer it...

Hi there, I am developing a really cool new product and it somehow relates to pressure's behavior. Since I do not have any Physics background I will appreciate if someone could help me out. The thing is that I attach a small container to certain area. This attachment actually seals the...

I'm trying to find the volume of a irregularly shaped container by using very small styrofoam beads. Things I know: Cylinder A filled with water @ 18 c - net weight - 1231.0 g. Cylinder A filled with beads - net weight - 22.0 g. My unknown volume container holds 1678.7 g of beads. How the...

an experiment^^ in a closed container, means tat it has a constant volume. when i increase the air pressure inside(without heating), the result is the temperature will increase. why? can i hav a theoretical explanation? thx for reading

Homework Statement Answer both of the questions below using the following information: A lead weight is fastened on top of a large piece of Styrofoam that floats in a container of water. Because of the weight of the lead, the water line is flush with the top surface of the Styrofoam. If the...

A cylindrical container with a cross sectional area of 65.2 cm^{2} holds a fluid of density 806kg/m^{3}. At the bottom of the container the pressure is 116 kPa a) What is the depth of the fluid? b) Find the pressure at the bottom of the container after an additional 2.05 \times 10^{-3} m^{3}...

Homework Statement A cylindrical container with a cross sectional area of 65.2 cm^{2} holds a fluid of density 806kg/m^{3}. At the bottom of the container the pressure is 116 kPa a) What is the depth of the fluid? b) Find the pressure at the bottom of the container after an additional 2.05...

Two 800\; cm^3 containers hold identical amounts of a monatomic gas at 20^\circ C. Container A is rigid. Container B has a 100\; cm^2 piston with a mass of 10 kg that can slide up and down vertically without friction. Both containers are placed on identical heaters and heated for equal amounts...

C++ container class help Hi, I'm working on a templated container class called "bag" and running into some trouble. This my header file, bagTemplate.h #ifndef BAGTEMPLATE_H #define BAGTEMPLATE_H template <typename T> class bag { public: bag(int num=10); // construct a bag to hold...

A container with radius R and height l contains n particles. If all particles in the container are equally distanced from each others by a distance and the force from each particles to the point A is f = K/ d^2 (K=constant and AB = d), please find the total force from all particles to the point...

That place always sells great stuff, and every time I buy something from them it ends up being money. My closet used to be the typical one shelf and rod that comes standard in most houses. I wanted to organize all my stuff so I bought this shelving system from a company from Denmark called elfa...

This is not a very comforting new. It appears that one of the ceramic material used for storing nuclear wastes http://www.nature.com/news/2007/070108/full/070108-6.html" than first thought. The damage done by the emitted radiation, especially from alpha and its collision byproducts, are damaging...

Greetings, Earlier this afternoon I managed to ruin a perfectly good plastic container in a microwave oven by unwittingly deforming it. I curious as to why it happened. All I did was warm it (and the chilli inside it) for about a minute with the lid firmly secure. I've been told this was a...

Hi, While using a deoderant/pressurised container why does the liquid/gas come out while we press the knob? And is a high-pressure and low-temp situation possible together?

Hey I am given the set volume for a cylindrical container and separating pricing for the material used to construct the container, the base and the side wall. The ends of the container cost $0.05 per cm2 and the side walls $0.04 cm2, and the volume is 400 mL. The question asks: What is the best...

Hello everyone, newbie here.. sorry if I posted this in the wrong place. We just went over fluids today. And I can’t seem to solve a problem that has to do with force due to pressure. The problem is: An open U shaped container is filled with water to the top. What is the force due to the...

Hello! :smile: Could you please help me with materials and design ideas for a bouncing "egg-drop" container? I have to make a bouncing "egg-drop" container that must be made with springs. Any materials (except liquid) may be used. The container will be dropped from 1.0m to the floor...

I was wondering whether anyone was able to give me a hint on the following problem: Is the average kinetic energy of all particles in a gas hitting the sides of a container less, equal or more than 3/2kT? And if it is not equal how can you calculate the mean kinetic energy? I was...

Two gas containers with volume of 100cm3 and 1000cm3 respectively are connected by a tube of negligible volume, and contain air at a pressure of 1000mm mercury. If the temperature of both vessels is originally at 273K. and the temperature of the smaller container is raised to 373K. How much...

For a project I am working on, I need a container that is both highly corrosion resistant and strong (able to withstand pressure). I was thinking about stainless steel. Basically, the container needs to be able to hold up to a concentrated solution of Sodium Hydroxide (NaOH), if you look at...

Hi gang, I'm having an issue with one my homework problems. There is an L shaped tank, 3d in height, 1d in width. The verticle part of the L is 2d in height, and the horizontal part of the L is a 1d box. d = 8m _ | | | |_ |_ _|<--Force due to pressure needed for this side. I need...

Hey, I know there are already many of this threads, but I checked them all out and none can help me in my project. Well, in my project I have limited amount of materials, and I have already tried out various designs with no success, so any help would be great. Here are the details: Drop...

A 50 gram piece of ice at -20 C is dropped into an insulated container holding 250 grams of water at 25 C. What is the final temperature of the contents of the container? I can't seem to get this problem. I was doing the following: Lf water = 333 J/g c water = 4186 J/kg*C c ice at -10...

I came across this question while looking around the forums at physlink.com: There are birds of mass 20 tonnes in a van of mass 10 tonnes. The back of the van is closed(no air can go in or come out). If now the birds start flying, will the weight of the van decrease? I ask this question...

A closed container is partially filled with water. Initially, the air above the water is at atmospheric pressure 1.01x10^5 Pa and the gauge pressure at the bottom of the water is 2500 Pa. Then additional air is pumped in, increasing the pressure of the air above the water by 1500 Pa. What...

Ok there is a dam of width "b" and water is fille don one side of it to a height h . Now i need to calculate the force on the wall of the dam on the side where water is filled . This is what I did: I considered a small layer of water of dx (vertical) at a distance x from top of water...

You have a container which has the volume of y=x^4 from y=0 to y=16. This tank is filled with water...how much work is required to pump all of the water out of this 16 meter tall tank. I'm not too sure where I went wrong here because I know work is the integral of Force times Distance. Please...

Here are a couple questions I could use help on, please help. 1. What force must be applied to a small cylinder piston with a diameter of 0.32 m to lift a car weighting 12,000 N that is supported by the piston in a large cylinder that has a diameter of 1.4 m? Assume that there is an...

Now imagine the Saturn is diminished and can be put into a PURE water container .. Then Is that the Saturn is immersed half of itself till the centre of the Saturn ?? (Since Saturn also has gravity itself )

Ok, I was getting ready to go fishing the other day, when i noticed that my plastic sinker container was melted, but i didn't know how. I then noticed a type of artificial bait (powerbait to be exact) seemed to be the culprit. I did not know how this could have happened, being that i didn't...

Lets say u have something like this | | => A |------| => B | | | | | | |------| => C (1m below the metal seperator) B => this is a strong metal seperator.. the water on top of this sits on this. the seperator is attached to the container..it does not float...

just got a interesting question from my friend... there is an empty container. different sizes of rectangular boxes are to put into it 1.what is the maximum number of boxes can be put into it? and 2.how to arrange them to optimize the number of boxes? Can anyone derive the formula on...

Gas in a container increases its pressure from 206 atm to 3 atm while keepings its volume constant. Find the work done by the gas if the volume is 5L. Answer in units of J.

HELP me please! Hi, I am having trouble figuring out how to tackle this problem, it would be great if anyone can help! :eek: Here is the problem... The three containers shown below (sorry, i can only describe them and not draw them here, i'll describe em at the bottom) are all initially...

Hello, I am having some difficulty following the method for finding an equation for an ideal gas. There are a few different forms, but I'm proving 1. For an indiviual particle of a gas in a cube container side length L, it is traveling with a velocity of u1 on the x-axis (its x component of...

I'm having problems setting up this problem (word problems are my worst downfall!) a rectangular container with an open top is to have a volume of 10 meters cubed. The length of its base is 2x the width. The cost of the base is $12 per sq meter. The cost of the sides is $5 per sq meter. find...

On a manufacturing line moving uni-directionally at 60rpm (about 825 continers filled per minute) a bolt/nut has been observed in the bottom of a container. The container neck (opening) is a 29mm diameter. The distance from the bottom of the machinery to the top of the bottle is 30cm. The...

What is the most efficient and effective way to create huge, steady amounts of pressure inside a container: simply having a compressed gas tank, and hooking it up to the container, or making a combustion reaction occur inside the container?

I have a little puzzle to share: There is a container of a truck which mass is 10000 Kg. It is filled with 500 birds of 200 g each one. What is the total weight measured of the container if birds are all flying inside?. First I propose you to analyse the trivial case: the volume occuped by...

A gas flows into a rigid container... :smile: hi will somebody please help me to solve this question; A gas flows into a rigid container initially evacuated.Assume that the inflow velocity is uniform at 2m/sec.The tube inlet diameter is 10cm with the volume of the tank equal to 2000(litres)...

Given a container with a gas, assuming a constant internal/external pressure differential, with a hole of a particular diameter/area, what is formula to compute the rate at which the gas exits the hole. Assume we're talking ideal gas or air and anything else that I haven't given, but are...