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Why does a feather fall at the same rate as a hammer on the Moon?

To calculate an object's weight, we have weight = mass * gravitational field strength (W = mg). From this, we see that an object with a greater mass (e.g. a hammer compared with a feather) has a greater weig...
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Answered by Joel T. • Physics tutor
10573 Views

What is the role of adrenaline in glucoregulation?

Although a lot of the time this can seem like a daunting question as there's a lot of specific terminology to use and a variety of reactions/interactions occurring, by splitting it up into short, simple step...
EC
Answered by Ellie C. • Biology tutor
3311 Views

“What do I do if I get given an unseen passage during my interview?

When you’re full of interview nerves this task can seem particularly daunting, but as long as you keep fully focused on the text in front of you, it’ll be fine. Firstly, breathe! The key to responding well i...
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3066 Views

How can I improve my control over the flow of a speaking assessment?

It is important in examinations to cover a wide variety of subjects in order to best demonstrate the breadth of your understanding both of topical issues and the language that can specifically relate to them...
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Answered by Jake W. • French tutor
1904 Views

Solve the equation |3x +4a| = 5a where a is a positive constant.

This is a modulus question, asking us to solve for x. As there are two variables in this equation, it is impossible for us to solve for an actual number, so we are asked to answer in terms of a. The easiest ...
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Answered by Chloe H. • Maths tutor
7179 Views