Answer:
option A
Explanation:
given,
height of the drop of stone = 9.44 m
speed of the stone = ?
As the stone is dropped the energy of the stone will be conserved.
using conservation of energy.
Potential energy = Kinetic energy

v = 13.60 m/s
Hence, the correct answer is option A
A) the sound waves were pushed closer together
Answer:
In a house there is a lot less space so there is no where for the sound to travel, but if you are outside there is a lot more space so therefore, the sound can travel anywhere.
Explanation:
Sowers has spent her career fighting for gender equality and it passionate about it .
The core of a star must be at the temperature of 10,000,000 degrees Celsius for hydrogen fusion to begin.