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Write the name of each of the four components of the working memory model in the space provided.

Central executivePhonological loopVisuo-spatial sketch pad Episodic buffer

BV
2110 Views

Let y = x^x. Find dy/dx.

This question is suited to A2 maths students, particularly those who are doing further maths and may be looking for a challenge. In one question it tests the students ability to use implicit differentiati...

JG
Answered by James G. Maths tutor
5717 Views

An elastic wire suspended from a workbench has a 2kg mass attached to its free end. The wire changes in length by 2cm. Calculate the elastic potential energy stored in the wire.

Using Hooke's law (F = k * e) we can find the spring constant. Rearranging for k, we find that k = (9.81 * 2)/0.02 = 981 N/m. To calculate this we needed to find the force acting on the wire (F = mg) and ...

JG
Answered by James G. Physics tutor
1837 Views

What is an atom?

It is composed of Protons, Neutrons and Electrons.
The Proton is positively charged and is present in the central nucleus part of the atom.The Neutron has no charge and also is present in the nucleus...

SB
Answered by Sam B. Physics tutor
1741 Views

Factorise 3x^2+15x

Firstly we need to understand what the question is asking us to do. Factorise means we need to take out the Highest Common Factor (HCF) that each term can be divided by.The two terms in this question is 3...

HC
Answered by Hinesh C. Maths tutor
3912 Views

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