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Explain the difference between forced vibration and resonance in an oscillating object.

Forced vibration: The object oscillating will vibrate upwards and downwards with the s ame frequency the driving oscillation is at. The amplitude of the vibration increases as the frequency decreases and the...
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Answered by Matthew P. • Physics tutor
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How can an object be accelerating if it does not change in speed?

Speed is a scalar quantity, meaning that it only has a magnitude. Acceleration is a vector quantity, meaning that it has a magnitude and a direction. Velocity is the vector quantity equivalent of speed, as i...
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Answered by Chantelle C. • Physics tutor
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Convert the decimal number 165 to binary

we can use the subtraction method to find this out: create a table set out like this 2 7 | 2 6 | 2 5 | 2 4 | 2 3 | 2 2 | 2 1 | 2 0 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 | | | | | | | Now we simply take away eac...
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find general solution to: x(dy/dx) + 2y = 4x^2

Divide through by x so: (dy/dx) +2(y/x) = 4x Now multiply through by the intergrating factor: e^(| (2/x) dx) = e^(2.ln(x)) = x^2 so you get: (x^2)(dy/dx) + 2xy = 4(x^3) Now integrate the entire equation and ...
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What factors can shift the supply curve and explain the impact of a change in one of these factors on the supply curve.

Different factors can shift the supply curve. It must be noted that changes in prices do not shift the supply curve, but causes a movement along the curve. In order to shift the curve, there must be changes ...
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Answered by Shona S. • Economics tutor
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