please give me brainlest!!
the answer is A.
The total energy if all the the particles are Temperature
Answer:
1500 m/s
Explanation:
The sound wave travels 750 meters from the ship to the bottom of the water, then 750 meters back to the ship. So it travels a total distance of 1500 meters in 1 second.
So the average speed is:
v = 1500 m / 1 s
v = 1500 m/s
If you know what dark matter is, my friend, then there are several thousand Astrophysicists and Cosmologists at universities around the world who would pay dearly for the opportunity to buy you a cup of coffee, and chat while you sip it.
