Water is a really good conductor of sound so I would have to say that it would be to send the message underwater because a more dense medium produces a louder sound
Usually in the deep sea and underwater caves where there is no light
By calculating the crests, you can find the waves' frequency.
Hope this helps!
Answer:
1. a
b
c
2.
Explanation:
a). The work done by the tension is:
b). The work done potential of gravity
c). The work done by the normal force
2. The increase in thermal energy is: