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Do we have a moral obligation to protect the weak globally?

If faced with this at interview, the first thing to do is BREATHE! You aren't going to come up with a well thought through answer if you panic and blurt out the first thing that comes into your head. The int...
PE
2052 Views

Explain how an acceleration-displacement graph could be used to determine the frequency of oscillation of a metal plate.

Acceleration (A)= Angular Velocity 2 (w 2 ) Displacement (x)Angular Displacement= 2pi Frequency (f)Gradient= A/x = w 2 = [2pi*f] 2 Rearrange the equation to get - f= (sqrt)gradient/ 2pi
TO
Answered by Tise O. • Physics tutor
9555 Views

Find the equation of the line through the following points: (-2, -3) and (1, 5)

Note the formula: y - y 1 = m(x - x 1 )x, y, x 1, y 1 refer to the values of your given coordinates. 'm' symbolises the gradient of the line you are asked to findRearrange the formula to make 'm' the subject...
TO
Answered by Tise O. • Maths tutor
3734 Views

Describe the similarities and differences between the processes of osmosis and diffusion

Similarities:Both processes are passive (do not require energy)In both processes molecules move from an area of high concentration to low concentration and therefore down a concentration gradient.Differences...
GH
Answered by Grace H. • Biology tutor
8600 Views

Solve the equation 18x^2-3x=6

First put the equation into the correct form by setting it to 0:18x^2-3x-6=0Look for the common factor in the equation and take it out:3(6x^2-x-2)Using the grid method (which I would show on whiteboard) fact...
GH
Answered by Grace H. • Maths tutor
5288 Views