What happens to the sound as frequency decreases? *
a. it gets higher pitched
b. it gets lower pitched
c. it gets louder
d. it gets quieter

Answer as quick as ! kate is working on a project in her tech education class. she plans to assemble a fan motor. which form of energy does the motor convert most of its electric energy into? a. light energyb. motion energyc. sound energyd. thermal energy

Explain the consequences of this addiction to the brain tissue

Would it be correct to say the doppler effect is the apparent change in the speed of a wave due to the motion of the source? be sure to fully explain your position using at least 3 complete content related sentences.