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An object with weight w is suspended from two strings at angles θ1 and θ2 to the vertical and with tensions T1 and T2. How would you resolve the vertical and horizontal forces?

Horizontal: T1 sin θ1 = T2 sin θ2Vertical: T1 cos θ1 + T2 cos θ2 = w
HW
Answered by Heather W. • Physics tutor
4289 Views

Find the stationary points of y = x^3 -3x^2 - 9x +5

A stationary point is a point where dy/dx = 0.First we need to find dy/dx. This is done by differentiating y term by term to get dy/dx = 3x^2 - 6x - 9.Setting this equal to zero, we need to solve 3x^2 - 6x -...
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Answered by Adam S. • Maths tutor
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Make x the subject 2x+3=3x-1

rearrange by taking away 2 and adding 1
KA
Answered by Katherine A. • Maths tutor
3257 Views

Find the values of x: x^2 + 14x + 22 = 4x -2

x 2 + 14x + 22 = 4x -2 1) First you should arrange the equation into the format ax 2 + bc + c = 0. This gives x 2 + 10x + 24 =02) Factorise into (x+n)(x+m) = 0. To work out what n and m are, you must figure ...
GM
Answered by Gemma M. • Maths tutor
3405 Views

Define Photosynthesis

Photosynthesis is the process by which plants convert carbon dioxide and water into glucose and oxygen using light. To do this plants need chlorophyll.
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Answered by James S. • Biology tutor
5787 Views