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Semenov [28]
3 years ago
10

Four particles, each with mass m, are arranged symmetrically about the origin on the x axis. A fifth particle, with mass M, is o

n the y axis. The direction of the gravitational force on M is:

Physics
1 answer:
Mumz [18]3 years ago
3 0

Answer:

Explanation:

Let four particles are placed on X axis symmetrically about the origin and M is placed on y axis.

According to the diagram, the x component of forces balances each other and the net force acting on the particle of mass m is acting in the direction of negative Y axis.

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The sound intensity from a jack hammer breaking concrete is 2.0W/m2 at a distance of 2.0 m from the point of impact. This is suf
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Answer:

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The Sound Intensity level β is calculated as follow

\beta =(10dB)log_{10}(\frac{I}{I_{o} } )\\\beta  =(10dB)log_{10}(\frac{3.2*10^{-3}W/m^{2}  }{1.0*10^{-12} W/m^{2} } )\\\beta =95dB

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