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During take-off from earth, an astronaut of mass 76kg has an area of contact with his seat of 0.095m^2. Calculate the average pressure on the seat when the upward acceleration of the rocket is 47ms^-2

There are two parts to this question that we should consider seperately:
Firstly, we need to work out the total thrust force that is being applied through the seat onto the astronaut. Critically, thi...

ON
Answered by Oliver N. Physics tutor
2002 Views

Find, using calculus, the x coordinate of the turning point of the curve with equation y=e^3x cos 4

1st step: find the derivative dy/dx of the given equation2nd step: now equate the obtained derivative to 0 because this is precisely the situation in which the graph changes direction (the derivative dy/d...

UW
Answered by Urszula W. Maths tutor
4171 Views

How should I go about writing a question on ... (e.g. The Great Gatsby)

The first stage is to decide on 3/4 major points that you will be writing about. These points can each be focusing on a character or a different theme, as long as each point is unique and adds to the over...

CF
3678 Views

What is the difference between the immediate (near) future tense and the future tense?

The immediate (near) future and the future tense both convey actions that will happen IN THE FUTURE. However, they have a slight difference in meaning, which can make all the difference when explaining an...

NL
Answered by Nia L. French tutor
24820 Views

How would you differentiate x^x?

To start off with, we have the expression y = x^x and we want to differentiate it. A clever way to do this would be to first remember implicit differentiation and start by taking the natural logarithm of ...

AD
2668 Views

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