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A particle P is projected vertically upwards from a point 20m above the ground with velocity 18m/s, no external forces act on it other than gravity. What will its speed be right before it hits the ground? Give your answer to one decimal place.

To start off we should list what we have and what we want to find. The initial velocity u= 18 m/s (taking upwards to be the positive direction). Acceleration a= - 9.8 m/s 2 (negative since gravity acts downw...
JN
Answered by Jenny N. • Maths tutor
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If your given them for the exam was 'translucent' and your subject was flowers, give an example of an artist you would choose to inspire your pieces, giving reasons.

Mat Collishaw is a photographer who in 2014 produced a collection called 'Burning Flowers'. The images he created show vibrant flowers, often fully bloomed, being engulfed in a single flame. As the flame is ...
FR
Answered by Freya R. • Art tutor
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State and explain the case of 'rege' in the phrase 'rege victo'

'rege' is in the ablative case, forming part of an ablative absolute construction. This is used to show an action in the past that is separate to the main clause, made clear by the use of the perfect passive...
ZL
Answered by Zadie L. • Latin tutor
3103 Views

Give the general solution to y'' - 3y' + 2y = 4x

note: y' is often written as dy/dx, this doesn't change the question at all so no need to worry. Same for y'' and d 2 y/dx 2 .All second-order differential equations that don't have 0 on the right hand side ...
DS
7694 Views

How to compare cognitive and biological approaches for a 16 marker? I find it difficult to find and structure my ideas.

For a good 16 marker you need 4-5 points/paragraphs. Before you start writing anything, it is always good to have a plan. If the main difficulty is comparing and contrasting these two approaches, lets think ...
AS
9389 Views