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Refraction is what occurs when light passes from one medium to another (for example, air to water) and because of the difference in the medium, the speed changes. This change in speed of light causes it t...

Either from memory or using the formula booklet provided we know Work Done = Force x Distance Moved (in the direction of the force). Therefore we can use the values given and this formula to workout our a...

Let's suppose tomorrow we want to go to the Moon. There's many different paths that we can choose from to get there: we can depart from Earth, go around the Sun and land on the Moon or we can go all the w...

Ohms law establishes a relationship between resistance, voltage and current, saying that V/I = R.

1.Moment=Force x Distance2.Convert mass into weight (x9.81)3.Times the weight by the distance from the pivot point.4.If done correctly the answer should be 49.06NKg (Don't forg...