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Rotational Kinetic Energy (KE) = (1/2) x Moment of Inertia (I) x (Angular Velocity (w) )²I=SUM(MR²) = 40 x (1.5)² + 50 x (1.5)² = 90 x (1.5)² =...

Specific Heat Capacity is the amount of energy required to increase the temperature of 1kg of a substance by 1 degree Kelvin/Celsius ."Specific" refers to the fact that this value is per kilogra...

The first reason the Treaty of Versailles was perceived as unfair was the inclusion of the War Guilt Clause which was juxtaposed to German perceptions of World War I. The War Guilt clause gave culpabilit...

-Tectonic plates (which can be either continental or oceanic) slide past each other either in opposite directions or in the same direction but at different speeds-This causes friction between the plates t...

First concentrate on expanding the squared term, don't try and do it all in your head, the 2x+3y term should expand to give 4 separate terms. Then combine any terms with the same configuration of x and y,...