2 years ago

20% of injury crashes in 2009 involve the reports of distracted driving. True or false

Physics

1 answer:

Ivan2 years ago

5 0

The statement is true.

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2 years ago

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3 years ago

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A camcorder has a power rating of 16 watts. If the output voltage from its battery is 7 volts, what current does it use?

GenaCL600 [577]

Power= current*voltage or P=IV

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3 years ago

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what causes a star to shine brightly:

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At a distance 30 m from a jet engine, intensity of sound is 10 W/m^2. What is the intensity at a distance 180 m?

AleksandrR [38]

Answer:

$I_{2}=0.27 W/m^2$

Explanation:

Intensity is given by the expresion:

$I_{2}=Io (\frac{r1}{r2} )^{2}$

where:

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r1= initial distance

r= final distance

$I_{2}=10 W/m^2 (\frac{30m}{180m} )^{2}$

$I_{2}=0.27 W/m^2$

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2 years ago