A vibrating guitar string makes very little sound if it is not mounted on the guitar. But if this
intensity. This is because
vibrating string is attached to the guitar body, so that the body of the guitar vibrates, the sound is higher in
(a) the power of the vibration is spread out over a larger area (b) the energy leaves the guitar at a higher rate
(c) the speed of sound is higher in the material of the guitar body (d) none of these