Answer:
By its amplitude.
Explanation:
loudness is sound intensity & intensity depends on square of amplitude. for example higher the amplitude higher the intensity which means higher the loudness.
Work=Force*Distance so distance must be .82 meters
False....................................
Answer:
The velocity of the ball is 5 m/s to the left.
Explanation:
-25kg*m/s divided by 5 kg gives
speed of -5 m/s
The velocity of the ball is 5 m/s to the left.
U=0ms^-1
t=12s
a=-9.81ms^-1
v=?
from an equation,v=u+at
v=0+(-9.81)(12)
=-117.72ms^-1
