Answer:
Although both metals had the same mass, the silver had a larger volume; therefore, it displaced more water than did the gold. That's because the silver was less dense than gold.
Explanation:
Answer:
f = 409 Hz
Explanation:
We have,
Length of the open organ pipe, l = 0.29 m
Frequency of vibration of second overtone,
It is required to find the fundamental frequency of the pipe. For the open organ pipe, the frequency of second overtone is given by :
v is speed of sound
Let f is the fundamental frequency. It is given by :
The relation between f and f₂ can be written as :
So, the fundamental frequency of the pipe is 409 Hz.
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Given :
A map shows that a star is 25 light years away.
To Find :
If you get in a ship and travel to this star at 0.95c, How far will the ship need to travel to reach this star.
Solution :
We know, 1 light year in km is given by :
So, 25 light years is given by :
Hence, this is the required solution.