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Describe the impulse process in a simple reflex action

  1. Sensory neurone detects a stimuli via sensory receptors e.g. a hot pan

  2. This sends an impulse up the sensory neuron to the brain or spinal column (together known as the central ...

RP
Answered by Rory P. Biology tutor
5590 Views

How should I incorporate critics into my essays?

The use of critics in your essays is one of the biggest step-ups from GCSE to A-Level, and is often what fazes students the most. In terms of actually finding criticism, you should make use of yo...

KW
5018 Views

The infinite series C and S are defined C = a*cos(x) + a^2*cos(2x) + a^3*cos(3x) + ..., and S = a*sin(x) + a^2*sin(2x) + a^3*sin(3x) + ... where a is a real number and |a| < 1. By considering C+iS, show that S = a*sin(x)/(1 - 2a*cos(x) + a^2), and find C.

C + iS = (acos(x) + a^2cos(2x) + a^3cos(3x) + ...) + i( asin(x) + a^2sin(2x) + a^3sin(3x) + ...)

= a(cos(x) + isin(x)) + a^2(cos(2x) + isin(2x)) + a^3(cos(3x) + ...

SF
8006 Views

An amount of money was invested for 8 years. It earned compound interest at 2.5% per year. After 8 years the total value of the investment was £11,696.67. Work out the total interest earned.

I would make sure the student new the difference between simple and compound interest to begin with. I would then explain the formula for compound interest and how it works normally. The formula is p(1+m)...

LJ
Answered by Laura J. Maths tutor
8389 Views

What is the mechanism for the nucleophilic substitution of a halogenoalkane?

A halogenoalkane is a saturated hydrocarbon chain with a halogen atom (F, Cl, Br or I) attached to a carbon instead of a hydrogen. Halogens have a greater electronegativity than carbon. This means they dr...

CS
3630 Views

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