Why did fuel 1 change phase, but fuel 2 stayed the same?

answer:

we need aan example of what fuel what 1 and 2 are..

give us an equation or somethinggg

explanation:

here we know that ball will drop down by total distance 3.2 m

so here we know that

now using kinematics

now in the same time it will cover horizontal distance of 0.75 m

so speed of the ball will be

layers of the earth affect the waves and these effects are seen on instruiments such as seimometers