based on the data in the table, what will happen when a sound wave travels from aluminum into copper?\n| |…

based on the data in the table, what will happen when a sound wave travels from aluminum into copper?\n| | aluminum | brass (70% cu, 30% zn) | copper | lead |\n|--|--|--|--|--|--|\n| speed of sound (m/s) | 6,420 | 4,700 | 5,010 | 1,960 |\na. the wave will change in frequency.\nb. the wave will speed up.\nc. the wave will slow down.\nd. the wave will get completely absorbed.

based on the data in the table, what will happen when a sound wave travels from aluminum into copper?\n| | aluminum | brass (70% cu, 30% zn) | copper | lead |\n|--|--|--|--|--|--|\n| speed of sound (m/s) | 6,420 | 4,700 | 5,010 | 1,960 |\na. the wave will change in frequency.\nb. the wave will speed up.\nc. the wave will slow down.\nd. the wave will get completely absorbed.

Answer

Explanation:

Step1: Compare sound - wave speeds

The speed of sound in aluminum is 6420 m/s and in copper is 5010 m/s.

Step2: Determine the change

Since 5010 m/s < 6420 m/s, the sound - wave speed decreases when moving from aluminum to copper.

Answer:

C. The wave will slow down.