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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, this is the...
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Answered by Oliver N. • Physics tutor
2460 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/dx e...
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Answered by Urszula W. • Maths tutor
4728 Views

What are the different types of enzymes and their roles involved in DNA replication?

The different types of enzymes include DNA polymerase which catalyses the formation of the bonds between adjacent nucleotides on each strand of the double strands. It also includes DNA ligase which is respon...
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Answered by Carmen T. • Biology tutor
4046 Views

Explore how the “victims” are created and used by the authors of both texts, in Toni Morrison’s “Beloved” and Oscar Wilde’s “The Picture of Dorian Gray”

[Example introduction]Victimisation is a key trope within literature, particularly in dealing with the supernatural. Both Wilde’s “The Picture of Dorian Grey” and Morrison’s “Beloved” grapple with the concep...
MB
Answered by Molly B. • English tutor
8370 Views

Why does gravitational potential energy have a negative value?

The negative value stems from the definition of gravitiational potential energy which states that it is equal to the work done by the gravitational field moving a body to its given position from infinity. At...
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Answered by Kush P. • Physics tutor
5138 Views