Apiano, violin, or guitar uses the resonance of a wooden soundboard to

a) amplify the sound
b) dampen the sound
c) raise the pitch
d) limit standing waves

i think a, but im not sure. !

Avery long solenoid of inner radius 2.75 cm creates an oscillating magnetic field of the form = for this solenoid, =0.00425 t and =319 rad/s. (a)what is the maximum value of the induced electric field at a perpendicular distance 1.45 cm from the axis of the solenoid? (b) what is the maximum value of the inducted electric field at a point 5.85 cm perpendicular from the axis of the solenoid?

Carbon 14 is a naturally occurring stable

Convection currents are caused by differences in what two things?