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A simple pendulum is an example of a system in Simple Harmonic Motion, using conservation laws find a) the greatest speed of the bob and b) the magnitude of speed at a height of 1.0cm above the minimum point. Given it starts at rest, at a height of 20cm.

As this is an isolated system and a simple pendulum starting at rest, at maximum height, all the energy is in potential energy. The known equation for potential energy is simply mgh (mass x acceleration due ...
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Answered by Thomas S. • Physics tutor
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Die Folgen der Automatisierung

This could be a speaking question, where the student is asked to discuss the positives and negatives of automation, and to take one of these sides during a debate. I would go through generally useful speakin...
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Answered by Eleanor S. • German tutor
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Why did support for the Nazi Party increase in Germany between 1930 and 1932

Firstly, I would discuss the various factors to consider with my student. I would go through all possible points of discussion, and then together we would decide on the three main factors. I would then discu...
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Answered by Eleanor S. • History tutor
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Expand (1+0.5x)^4, simplifying the coefficients.

Step 1. Draw Pascal's triangle to find the coefficients. 1; 1 2 1 ; 1 3 3 1 ; 1 4 6 4 1. As you can see, each row starts and finishes with 1. The numbers in between are worked out by adding the two numbers o...
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Answered by Srikka S. • Maths tutor
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What are the different steps involved in Proof by Induction?

The first step is to prove that the result is true for n=1.The second step is to assume that the result is true for n=k where k is any positive integer.The third step is to prove that the results is true for...
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Answered by Álvaro F. • Maths tutor
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