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If the block is at the point of sliding, we know the frictional force, F, is at it's maximuim, F = kR, where k is the coefficient of friction and R is the reaction force.As we know the mass of the block, ...

5p+2q=t 5*4+2q=24.6 20+2q=24.6 2q=24.6-20 2q=4.6 q=4.6/2 q=2.3

The Hawaiian Island chain is a collection of volcanic islands in the Pacific Ocean that have formed over a hotspot in the centre of a tectonic plate, rather than at a plate boundary (where volcanoes commo...

Firstly, xcos(x) is a product of two functions of x. Therefore we can use the product rule to work out the derivative of the whole function. Differentiating each part makes it easier to visualize the ...