Find the resulting amplitude `A'` and the phase of the vibrations `delta`
`S = Acos(omegat) + A/2 cos (omegat + pi/2) + A/2 cos (omega t + pi) + A/8 cos (omegat + (3pi)/(2)) = A' cos (omega t + delta)`

The resulting amplitude A' and the vebrations S = A cos (omega t) + (A)/(2) cos (omega t + (pi)/(2)) xx (A)/(4) cos (omega t + pi) = (A)/(8) cos (omega t+ (3pi)/(2)) = A' cos (omega t + delta) are…and…respectively.

Find the resulting amplitude and phase of the vibrations s=Acosomegat+(A)/(2)cos(omegat+(pi)/(2))+(A)/(4)cos(omegat+pi)+(A)/(8)cos(omegat+(3pi)/(2))

A vibratory motion is represented by x=2Acosomegat+Acos(omegat+(pi)/(2))+Acos(omegat+pi)+(A)/(2)cos(omegat+(3pi)/(2)) . the resultant amplitude of the motion is

A vibratory motion is represented by x=2Acosomegat+Acos(omegat+(pi)/(2))+Acos(omegat+pi)+(A)/(2)cos(omegat+(3pi)/(2)) . the resultant amplitude of the motion is

A vibratory motion is represented by x=24cosomegat+A cos(omegat+(pi)/(2))+A cos(omegat+pi)(A)/(2)cos(omegat+(3pi)/(2)) the resultant amplitude of the motion is

Four simple harmonic vibrations x_(1) = 8s "in" (omegat), x_(2) = 6 sin (omegat +(pi)/(2)) , x_(3) = 4 sin (omegat +pi) and x_(4) =2 sin (omegat +(3pi)/(2)) are superimposed on each other. The resulting amplitude is……units.

Which of the following functions represent SHM :- (i) sin 2omegat , (ii) sin omegat + 2cos omegat , (iii) sinomegat + cos 2omegat

Which of the following functions represent SHM :- (i) sin 2omegat , (ii) sin omegat + 2cos omegat , (iii) sinomegat + cos 2omegat