109k views
5 votes
Which change will increase the speed of a sound wave traveling in a solid aluminum rod?

A) changing the rod from a solid to a liquid
B) changing the rod from a solid to a gas
C) decreasing the temperature of the rod
D) increasing the temperature of the rod

User Fimbulvetr
by
6.5k points

2 Answers

4 votes

Answer:

D. increase temp of rod

Step-by-step explanation:

User Hammed
by
7.2k points
4 votes
A and B are both wrong. The speed of sound will decrease if you do either A or B.

|Since C and D are opposites, one of them is right if nothing else is. The higher the temperature the greater the speed of sound.

Choose D <<<<======== as the correct answer.
User Tobias Ahlin
by
6.7k points