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What is natural frequency and how is it associated with resonance?

When anything is hit it will vibrate at the same frequency regardless of the force that hits it. This frequency of un-damped oscillations is the natural frequency. And every object/system has its own set of ...
HM
Answered by Henry M. • Physics tutor
14060 Views

Solve 9x-4=7(x+2)

BIDMAS is used to determine the first step in solving this problem. The bracket on the right hand side is expanded first. 9x-4=7x+14. Now the x's and numbers must be moved to opposite sides of the equals sig...
JT
Answered by Jayani T. • Maths tutor
7124 Views

How do you form a Cartesian equation from two parametric equations?

If the two parametric equations have the form x = a t + b and y = c t + d then the first step is to rearrange one to make the parameter 't' the subject. We then substitute this equation for 't' into the othe...
AL
Answered by Alexander L. • Maths tutor
18880 Views

The curve C has the equation (x^2)+4xy-8(y^2)+27=0. Find dy/dx in terms of x and y.

dy/dx= (x+2y)/(8y-2x)
EO
Answered by Emily O. • Maths tutor
4677 Views

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RA
Answered by Rosie A. • Maths tutor
3853 Views