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Why does our heart rate increase when we run compared to when we are sitting?

Running demands a lot of energy in our leg muscles in order for them to contract and relax. Energy is released in the process of respiration which breaks down glucose into ATP. The equation for respiratio...

AM
Answered by Ayesha M. Biology tutor
2852 Views

Was President Kennedy's foreign policy a complete failure?

This is quite an interesting question as there's some really solid material to argue either way. You'd probably want to focus on the more prominent events of Kennedy's presidency - Specifically: The Bay o...

JC
Answered by James C. History tutor
6733 Views

Find the stationary point of the curve y = -2x^2 + 4x.

Firstly, since we have a negative coefficient of x^2, we know we are looking for a maximum point. It is also always helpful to draw a sketch so you know what's going on. Whiteboard sketch. Now to...

LJ
Answered by Luke J. Maths tutor
5380 Views

What is the best way to approach an unseen piece?

Read through the whole piece, underlining anything that is immediately striking / a bit interesting, even if you don't quite know why at first. Depending on whether you've been given a prompt (i.e. discus...

JS
1352 Views

The Curve C has equation y = 3x^4 - 8x^3 - 3. Find dy/dx.

The question is asking us to differentiate the equation y = 3x^4 - 8x^3 - 3. To differentiate this equation, we must differentiate term-by-term. In order to differentiate a term, we must multiply the coef...

DC
Answered by Dharmik C. Maths tutor
5762 Views

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