Answer:
Explanation:
As we know that the power emitted by the source is given as
now we know that
now we know that energy density is given as
now we have
intensity is defined as
now we have
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now we have
here we have
now we have
Answer:
One might think of a plucked guitar string - the sound would depend on the original amplitude of the disturbance -
Speed and velocity would still be the same
(b) is correct because the energy transfer depends on the original energy applied.
It makes it easier to dig a hole because it helps pick up dirt
Answer: Protons
Explanation: The atomic number is the number of protons that are in the nucleus of an atom. Each element on the periodic table is defined by the number of protons. In other words, the protons/atomic number determines what element it is. Protons carry a positive charge.
