A wave has frequency of 50 Hz and a wavelength of 10 m. What is the speed of the wave? Group of answer choices
1 answer:
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We use the formula,
m = V\rho
Here, m is the mass, V is the volume and density
Also
Here l is length, w is width and h is height.
(a) The volume of the room,
The volume of the room in cubic feet,
(b) Now the mass of the air in room,
.
Therefore, the weight of the air in room,
.
The weight of air in the room in pounds,