Answer:
the answer is B
Explanation:
speed is the rate at which the distance covered changes or the distance divided by the time taken.
scalar is always positive.
I'm not too sure what your asking but here are two answers that may help.
The ear drum amplifies the vibrations.
The cochlea changes vibrations into electric signals.
Answer:
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1.28m/s the velocity is found by distance/time.
Answer:
the greater the height of an object the *greater* its gravitational potential energy
greater
