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How does refraction work?

The fastest light can travel is when it is in a vacuum, where it travels at 3x10^8 metres per second.

However, when light travels through another substance or material (anothe...

CP
Answered by Conor P. Physics tutor
11735 Views

How do I use equations of motion ('suvat') to find a missing quantity?

First, be familiar with the equations of motion:s = displacementu = initial velocityv = final velocitya = acceleration (constant)t = time
v = u + ats = ((u+v)t)/2s = ut + (at^2)/2v^2 = u^2 + 2as

JH
Answered by Jessica H. Physics tutor
3799 Views

why does applying the brakes of a car cause the temperature of the breaks to increase?


The increase in heat is caused by friction between the brakes and the wheels. This work done between the brakes and the wheels, causes a decrease in kinetic energy ...

HH
Answered by Hugo H. Physics tutor
14878 Views

Why is the area of a triangle 1/2 * b * h?

This question is more easily answered with the help of multiple diagrams, but:1) Draw a rectangle, and draw a line between the top left corner and the bottom right corner. This line divides the rectangle ...

TD
Answered by Tutor5499 D. Maths tutor
5061 Views

How do you structure an essay response?


The basic essay structure is as followed: INTRODUCTION: This is a wider, concise and whole interpretation of the text at hand. It is usually better to write ...

RL
3693 Views

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