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Explain what simple harmonic motion means?

Simple harmonic motion describes the motion of an object which has an acceleration that is directly proportional to its displacement from the equilibrium point and when the accelerations acts in the opposite...
AC
Answered by Amilah C. • Physics tutor
4000 Views

A sample of pure gold has a density of 19300 kgm^-3. If the density of a gold nucleus is 1.47x10^17Kgm^-3, discuss what this implies about the structure of the gold atom. [4 marks]

To gain all of the marks, 4 different points must be made. To begin, state what is obvious: The density of the gold nucleus is much greater than the density of the gold atom. The next step is to discuss what...
RL
Answered by Rebecca L. • Physics tutor
11487 Views

What is the difference between a scalar and a vector quantity?

A scalar quantity has magnitude only - for example distance.A vector has magnitude and direction - for example gravity (acceleration towards the centre of Earth).
EW
Answered by Emma W. • Physics tutor
15103 Views

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...
MP
Answered by Matthew P. • Physics tutor
29499 Views

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...
CC
Answered by Chantelle C. • Physics tutor
13500 Views