Answer:
15 and Increasing
Explanation:
Hope this helps
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Answer: Power is 200 W
Explanation: Power P = work done / time used.
P = W/t = mgh/t = 154 kg · 9.81 m/s²· 4 m / 30 s = 201 W
I think it would be yes because the drum is submerged in water and the water would slow the sound waves, making the sound softer. Right?
"The process used by scientific investigations is the scientific method. This involves making an observation, stating a question, formulating a hypothesis, conducting an experiment and analyzing the results to form a conclusion. "
I would most likely go with B. but im not 100% sure
