Astring on a harp supports a wave with a wavelength of 2.4 m and a frequency of 215.0 hz. calculate the wave speed.

Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?

Photons with the highest energy have the longest period

Aheavy piece of hanging sculpture is suspended by a90-cm-long, 5.0 g steel wire. when the wind blows hard, the wire hums at its fundamental frequency of 80hz. what is the mass of the sculpture?