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How to find wave speed from frequency and wave length.

Wave Speed = Frequency * Wavelength (Note: Make sure you convert the unit of frequency to ‘Hz’ and the unit of wavelength to ‘m’) Yes you can simply use this equation, but understanding the principle will ma...
VK
Answered by Varadhan K. • Physics tutor
9618 Views

What is the fundamental Problem of Evil?

The fundamental heart of the Problem of Evil is the apparent inconsistency between how we see God and the existence of evil and suffering in the world. God is seen as omni-benevolent , all-loving, and as omn...
TH
4118 Views

Using être as an auxiliary in the perfect tense

If you have already dabbled in the use of the perfect tense, you might be wondering, “When do I know which of the two auxiliaries to use?” The answer all depends on the verb you use.Most verbs in the perfect...
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Answered by Tutor8432 D. • French tutor
6554 Views

Using the perfect tense with avoir

For a native speaker of English trying to speak in the past in French, it can be tricky to know which form of the past to use in French without prior knowledge. This is because there is no single, one-size-f...
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Answered by Tutor8432 D. • French tutor
7202 Views

When would I use the quadratic formula?

You would use the quadratic formula when trying to find the value of a variable such as x in a quadratic equation but it can not be successfully factorised with whole numbers. Treating the the equation in th...
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Answered by Emily O. • Maths tutor
5418 Views