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What are the Macroeconomic Effects of Currency Fluctuations?

Currency and the Exchange rate can be a difficult topic to get your head around. I found a little cheat for remembering the different impacts of weaker or stronger currencies : SPICED which stands for Strong...
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Answered by Georgia C. • Economics tutor
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How could I write a program to convert Km/h to m/s in python

First we need to know that the conversion factor for km/h to m/s is 3.6km/h=1m/s Next we need to read in a value from the user. This can be done with 'input' function as follows: KMHvalue= input("Enter ...
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Answered by Sarah W. • Python tutor
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In the presence of ultraviolet light, ethane and chlorine react to give a mixture of products. What are the products of this reaction?

The reaction that is occuring is a substitution reaction as ethan is already a saturated molecule. The ultraviolet light provides the energy needed to break the bonds between hydrogen and carbon in ethane so...
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Answered by Sarah W. • Chemistry tutor
47923 Views

Two railway trucks of masses m and 3m move towards each other in opposite directions with speeds 2v and v respectively. These trucks collide and stick together. What is the speed of the trucks after the collision?

In order to solve this question we need to use the principle of conservation of momentum which states: The momentum in a closed system remains constant before and after a collision or explosion. I.E. momentu...
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Answered by Sarah W. • Physics tutor
36262 Views

How do you solve 3sin2AtanA=2 for 0<A<180?

The first step in solving any trigonometric equation is to convert everything into sine and cosine functions. So in this case we need to start by converting the tanA. We can use the identity: tanA=sinA/cosA ...
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Answered by Sarah W. • Maths tutor
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