Other tags that relate to What Salt?
Chemistry. Logarithmic functions. Real world. Engineering. Investigations. Physics. Maths Supporting SET. Calculating with ratio & proportion. STEM - physical world. Biology.There are 56 results
Broad Topics > Applications > Engineering
Core Scientific Mathematics
Age 14 to 18 Challenge Level:
This is the area of the advanced stemNRICH site devoted to the core applied mathematics underlying the sciences.
The Power of Dimensional Analysis
Age 14 to 18
An introduction to a useful tool to check the validity of an equation.
Moving Stonehenge
Age 16 to 18 Challenge Level:
A look at the fluid mechanics questions that are raised by the Stonehenge 'bluestones'.
Approximately Certain
Age 14 to 18 Challenge Level:
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
The Not-so-simple Pendulum 1
Age 16 to 18 Challenge Level:
See how the motion of the simple pendulum is not-so-simple after all.
Dangerous Driver?
Age 16 to 18 Challenge Level:
Was it possible that this dangerous driving penalty was issued in error?
Making More Tracks
Age 16 to 18 Challenge Level:
Given the equation for the path followed by the back wheel of a bike, can you solve to find the equation followed by the front wheel?
Ramping it Up
Age 16 to 18 Challenge Level:
Look at the calculus behind the simple act of a car going over a step.
Maths in the Undergraduate Physical Sciences
Age 16 to 18
An article about the kind of maths a first year undergraduate in physics, engineering and other physical sciences courses might encounter. The aim is to highlight the link between particular maths. . . .
Physnrich
Age 14 to 18 Challenge Level:
PhysNRICH is the area of the StemNRICH site devoted to the mathematics underlying the study of physics
New Units for Old
Age 16 to 18 Challenge Level:
Can you match up the entries from this table of units?
Engnrich
Age 16 to 18 Challenge Level:
engNRICH is the area of the stemNRICH Advanced site devoted to the mathematics underlying the study of engineering
More Bridge Building
Age 16 to 18 Challenge Level:
Which parts of these framework bridges are in tension and which parts are in compression?
Model Solutions
Age 16 to 18 Challenge Level:
How do these modelling assumption affect the solutions?
AC/DC Circuits
Age 16 to 18
This article, including exercises, gives a thorough grounding in the topic of AC/DC circuits.
Dam Busters 1
Age 16 to 18 Challenge Level:
At what positions and speeds can the bomb be dropped to destroy the dam?
A Circuit Problem
Age 16 to 18 Short Challenge Level:
Explore the voltages and currents in this interesting circuit configuration.
Keep Your Momentum Going
Age 16 to 18 Challenge Level:
A look at a fluid mechanics technique called the Steady Flow Momentum Equation.
Mach Attack
Age 16 to 18 Challenge Level:
Have you got the Mach knack? Discover the mathematics behind exceeding the sound barrier.
Powerfully Fast
Age 16 to 18 Challenge Level:
Explore the power of aeroplanes, spaceships and horses.
The Not-so-simple Pendulum 2
Age 16 to 18 Challenge Level:
Things are roughened up and friction is now added to the approximate simple pendulum
The Wheatstone Bridge
Age 16 to 18 Challenge Level:
Explore the mathematics behind the famous Wheatstone Bridge circuit.
Pumping the Power
Age 16 to 18 Challenge Level:
What is an AC voltage? How much power does an AC power source supply?
Go Spaceship Go
Age 16 to 18 Challenge Level:
Show that even a very powerful spaceship would eventually run out of overtaking power
Overarch 1
Age 16 to 18 Short Challenge Level:
This short question asks if you can work out the most precarious way to balance four tiles.
Maximum Flow
Age 16 to 18 Challenge Level:
Given the graph of a supply network and the maximum capacity for flow in each section find the maximum flow across the network.
Impedance Can Be Complex!
Age 16 to 18 Challenge Level:
Put your complex numbers and calculus to the test with this impedance calculation.
Stemnrich - Technology
Age 11 to 16 Challenge Level:
This is the technology section of stemNRICH - Core.
Beam Me Up
Age 16 to 18 Challenge Level:
A preview of some of the beam deflection mechanics you will look at in the first year of an engineering degree
Euler's Buckling Formula
Age 16 to 18 Challenge Level:
Derive Euler's buckling formula from first principles.
Stonehenge Is Going Nowhere
Age 14 to 16 Challenge Level:
In an extension to the Stonehenge problem, consider the mechanical possibilities for an arrangement of frictional rollers.
Not Another NAND!
Age 14 to 18 Challenge Level:
Prove that you can make any type of logic gate using just NAND gates.
Differential Electricity
Age 16 to 18 Challenge Level:
As a capacitor discharges, its charge changes continuously. Find the differential equation governing this variation.
Overarch 2
Age 16 to 18 Challenge Level:
Bricks are 20cm long and 10cm high. How high could an arch be built without mortar on a flat horizontal surface, to overhang by 1 metre? How big an overhang is it possible to make like this?
Dam Busters 2
Age 16 to 18 Challenge Level:
Can you work out which of the equations models a bouncing bomb? Will you be able to hit the target?
Bridge Builder
Age 16 to 18 Challenge Level:
In this short problem we investigate the tensions and compressions in a framework made from springs and ropes.
Building up Friction
Age 16 to 18 Challenge Level:
A series of activities to build up intuition on the mathematics of friction.
Stonehenge
Age 16 to 18 Challenge Level:
Explain why, when moving heavy objects on rollers, the object moves twice as fast as the rollers. Try a similar experiment yourself.
Who Is an Engineer? A Quick Perspective After One Year of a University Engineering Course
Age 16 to 18
Doug has just finished the first year of his undergraduate engineering course at Cambridge University. Here he gives his perspectives on engineering.
Procedure Solver
Age 16 to 18 Challenge Level:
Can you think like a computer and work out what this flow diagram does?
NRICH is part of the family of activities in the Millennium Mathematics Project.