<span>Luster
Color
Streak
Cleavage and fracture
Hardness
Density
Special Properties</span>
High-frequency sound waves have a shorter wavelength and a higher pitch than low-frequency sound waves.
<span>The energy released by an earthquake occurs
in the form of either volcanic eruptions or better yet, seismic waves. There is
no radiation in earthquake except if it destroys nuclear power plants.
Earthquakes are also the reason why long ago, there is a continental drift long
ago wherein <span>seismic,
volcanic, and geothermal activity are found along imagined plate boundaries, the
plates were actually rubbing against
each other as evidence is seen on the formed mountain ranges And there is paleomagnetism,
magnetic field placement in the layers of the rock are present.</span></span>
Answer:
a. V=11.84 m/s
b.x=0.052m
Explanation:
a).
Given
,
, 
.
b).
No friction on the ball so:
