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Atmospheric Pressure is about 1.0x10^5 Pa. What is the downward force of the air on a desktop of surface area 1m^2?

Here we are dealing with force, pressure and area so we use the formula F=PA. We simply slot in the given numbers where P=1x105, and A=1. The resulting force is 1x105

MK
Answered by Monique K. Physics tutor
18183 Views

A 1.6m long string fixed at both ends vibrates at its fundamental frequency... (i)what is this frequency?

For the first part, we consult the formula c=fλ. This tells us that wavelength is inversely proportional to frequency.. ie as one increases the other decreases. This means the lowest(fund...

MK
Answered by Monique K. Physics tutor
5294 Views

What is the main difference between Mitosis and Meiosis

Well, the main difference between Mitosis and Meiosis is the end product of their respective division.

Now the end product of Mitosis is a daughter cell that has the SAME number of chromo...

CI
Answered by Chinyere I. Science tutor
3717 Views

How do you integrate by parts?

This is one of the trickier methods of integration, and it requires some practise. The basic idea is to split a function which would be difficult to integrate into two parts. Differentiating one part a...

HM
Answered by Harry M. Maths tutor
5216 Views

How do you multiply out brackets

This is simple as long as you remember FOIL:
First

Outside

Inside

Last

So, for example, let's multiply out (2x+1)(4x-3)

Multi...

HM
Answered by Harry M. Maths tutor
13833 Views

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