Answer: Sound waves entering a warmer air means that the kinetic energy of the air particles will increase and thus the vibration of particles will be increased and thus the speed of transmission of sound waves increases.
Step-by-step explanation:
The formula to finding the volume would be v=l•w•h so then insert the values into that. You’re left with v=10•8•5. Multiply them together and you get 400cm cubed. That’s how much sand you’d need to fill the box.
Answer:
i beilive (a) is c idk i could be wrong..
Step-by-step explanation:
Answer: 0.3 hours or 18 minutes
Step-by-step explanation:
Ignore the triangle on the top. i am sure that the correct answer.
