Answer:
In dB intensity will be equal to 159.74 dB
Explanation:
We have given intensity of sound produced by one singer is 76.7 dB
Sound intensity is calculated as
Now it is given that 41 singers are singing in chorus
So total intensity =
Now in dB intensity will be
Answer:
The Moment of a force is a measure of its tendency to cause a body to rotate about a specific point or axis.
Answer:
The stomach, uterus and bladder are lined with smooth muscle
Explanation:
Answer:
Surface (skin) should be smooth and body should be streamlined shaped.
Answer:
Fossil fuels release carbon dioxide into the atmosphere. Natural gas is the best fossil fuel in terms of energy output per unit of carbon dioxide emitted. Biomass is renewable because a new crop can be grown after each harvest, and biomass is a low carbon fuel. Biomass has the approximate chemical formula CHO.
Explanation: