The Wave Equation

Essential GCSE Physics 38.2
A. 0.74 m
B. 0.0023 s

Essential GCSE Physics 38.8
A. 6E+14 Hz
B. frequency = 6E+14 Hz
wavelength = 3.3E-7 Hz

Essential GCSE Physics 38.9
A. 1.33 Hz

Essential GCSE Physics 38.19
A. 2.9 m

Finding Frequency
A. 7.5*10^14 Hz

Ship in a Bath
A. The ship bobs up and down in a sinusoidal fashion with frequency 1.5Hz
B. 1.8 ms^-1

Noise Production
A. Sound waves are longitudinal waves, they are made up of
 regions of higher air pressure, compressions, and regions of
 lower air pressure, rarefactions.
B. 0.67 m
C. 0.33 m
D. The new sound is higher and has the same volume.

Finding Wave Speed
A. 0.5 ms^-1

Break Free
A. 0.50 None
B. 1.2
C. T=((2*pi*v)/g)

Waving Along
A. 0.44 ms^-1
B. 180 Hz
C. Jm^-2