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B. Parabolic
This is because an object that is in projectile motion has gravity acting on it.
Answer:
A
Explanation:
The particles of the medium don't travel along with the wave. and I also just did this question
Answer:
B. 85 V
Explanation:
E(rms) = E(peak-to-peak) / squareroot(2)
E(rms) = 120V / 1.414 = 84.9 V
(When rounded) = 85 V
Answer:
Explanation:
It transmits energy into the medium through its vibration. More energetic vibration corresponds to larger amplitude. The molecules move back and forth more vigorously. The loudness of a sound is also determined by the sensitivity of the ear.