A 2.6 m x 20 m brick wall that is 15.2 cm thick has placed in it a 1m x 2 m window that is 0.317 cm thick. The density o
Posted: Mon May 16, 2022 5:52 am
A 2.6 m x 20 m brick wall that is 15.2 cm thick has placed in it a 1m x 2 m window that is 0.317 cm thick. The density of the brick is 1,800 kg/m3, and the density of the glass is 2,400 kg/m². The transmission loss of the brick wall with the window at 500 Hz is: 30.2 dB None of the listed responses 28.8 dB 19.9 dB