Answer:
It is important because it carries useful energy through your house that you can use for a variety of tasks.
Explanation:
Hope this helped !
Answer:
I know that the b portion for the bottom is 86 because thats the atomic number of Rn
Explanation:
Answer:
Final kinetic energy, 
Explanation:
It is given that,
Initial gravitational potential energy of the satellite, 
Initial kinetic energy of the satellite, 
Final gravitational potential energy of the satellite, 
Let 
is the final kinetic energy of the satellite at that point. Using the conservation of energy to find it as the energy of the satellite remains constant.
So, the final kinetic energy of the satellite at that point is 4000 MJ. Hence, this is the required solution.
Answer:
Explanation:
A box resonate the sound hence is used in musical instruments.
While vibrations are produced by musical instruments, frequencies are created which are more enhanced in a wooden box.
For example : Xylophone is a musical instrument that consist of wooden bars struck by mallet.
Under each bar of the xylophone there is a there is a resonator tube which amplifies the sound.
So when the wooden bars are struck, xylophones produces sound and the pitch of the sound depends on the size of the bars. Longer the bar, the more longer sound will be resonating in it hence lower will be the pitch.
