# volume

### Proving the equation for the height of a cylinder

1. The problem statement, all variables and given/known data Consider a sphere of radius A from which a central cylinder of radius a (where 0 < a...
Thread by: Mohamed Abdul, Oct 21, 2017, 10 replies, in forum: Calculus and Beyond Homework

### I Chain rule in thermodynamics

I'm trying to understand why \left(\frac{\partial P}{\partial T}\right)_V = -\left(\frac{\partial P}{\partial V}\right)_T...
Thread by: korialstasz, Oct 15, 2017, 1 replies, in forum: General Physics

### I Shear Rate in a Rectangular Channel

Say you have a rectangular channel with a width, w (m), and a height, h (m) and an infinite length. The channel itself is fixed and none of the...
Thread by: quantstr, Aug 17, 2017, 6 replies, in forum: Classical Physics

### What is the molality of 1M NH4OH in 70.092ml of water?

1. The problem statement, all variables and given/known data What is the molality of 1M NH4OH dissolved in 70.092ml of water? What is the total...
Thread by: HelloCthulhu, Aug 11, 2017, 10 replies, in forum: Biology, Chemistry and Earth Homework

### Measure the volume of a lighter than air balloon

hello, i am trying to calculate the volume of a balloon (which is quite large). It has been filled with helium via a valve connecting helium...
Thread by: psuedoben, Jul 21, 2017, 3 replies, in forum: General Engineering

### B How can Greenland lose 269b tons/year and loose only 269km3?

The density of ice is 920 kg/m3. Now let's calculate. m = 269 000 000 000 000 kg p = 920 kg/m3 ----------------------------- v=? V=m/p V=269 000...
Thread by: IvicaPhysics, Jun 12, 2017, 4 replies, in forum: Classical Physics

### Concentration of a salt produced by neutralization reaction

1. The problem statement, all variables and given/known data 10.00 cm3 of 1.00 mol dm–3 sulfuric acid is fully neutralized by 20.00 cm3 of 1.00...
Thread by: Javeria, Jun 6, 2017, 5 replies, in forum: Biology, Chemistry and Earth Homework

### B Integrating to find surface area/volume of hemisphere

To find the surface area of a hemisphere of radius $R$, we can do so by summing up rings of height $Rd\theta$ (arc length) and radius...
Thread by: user240, Apr 14, 2017, 3 replies, in forum: General Math

### I Introducing two identical containers with different gasses

If you have two different containers filled with two different gasses at the same temperature, would they have less pressure when connected to...
Thread by: wasup23, Mar 31, 2017, 3 replies, in forum: General Physics

### Volume of water required to cool thermal/nuclear plants?

1. The problem statement, all variables and given/known data In the year 2004 the USA produced 1787 TWh of electrical energy in conventional...
Thread by: kokodile, Mar 5, 2017, 3 replies, in forum: Introductory Physics Homework

### I Should we consider negative axis when finding the volume?

Question: Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified line. Sketch the region,...
Thread by: Phys12, Dec 21, 2016, 3 replies, in forum: Calculus

### B Finding Pressure change as height changes with Pfinal given

Hi, I am doing a project for school where I am calculating at what height a balloon would pop from pressure while rising. At the point I am now, I...
Thread by: cnd4747, Nov 19, 2016, 11 replies, in forum: General Physics

### B How much power required to generate a particular pressure

Are there any general guidelines or rule of thumb regarding how much power in watts would be required to pressurize a cylinder to a particular...
Thread by: escape_velocity, Oct 29, 2016, 6 replies, in forum: General Physics

### Compressible air flow from a tank through a regulator

This is probably a simple question but I am really struggling as to where to start. We have a tank of compressed air, Volume of tank (V1) =...
Thread by: gl96, Sep 29, 2016, 1 replies, in forum: Mechanical Engineering

### Finding Distance given accleration and Standard Gravity.

1. The problem statement, all variables and given/known data A car has a performance of 10,705 miles per gallon. If the car is given 100 grams of...
Thread by: Oannes, Sep 18, 2016, 2 replies, in forum: Engineering and Computer Science Homework

### Syringe: Find force given volume and pressure

[ATTACH] 1. The problem statement, all variables and given/known data A 60 mL syringe filled with air is connected to a pressure sensor. The...
Thread by: kamhogo, Sep 17, 2016, 2 replies, in forum: Introductory Physics Homework

### Propagation of Uncertainty - Hollow Cylinder

Hi, I'm having quite a bit of trouble finding the propagation of uncertainty (using partial derivatives) of the volume of a hollow cylinder. The...
Thread by: Godisnemus, Sep 14, 2016, 1 replies, in forum: Introductory Physics Homework