There are no appropriate units for power on the list you provided
85 decibels or higher can cause damage to the human ear.
Decibels is the value of the measurement of sound. Hearing loss can be caused
by noise coming from a loud sound. Noise induced hearing loss maybe permanent
loss or temporary loss. Examples of activities that can give you a noise induced
hearing loss is target shooting, listening to music in your earphones that have
a high volume, and using lawnmowers.
Answer:
The velocity of the ions relative to the earth observer is
Explanation:
From the question we are told that
The speed of the alien ship is
The speed of the iron gun is
The motion of the ions relative to the earths observer can be mathematically represented as
substituting values
=>
Answer:
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