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solniwko [45]
3 years ago
9

HELP ASAP PLEASEEEE!!!

Physics
2 answers:
Sunny_sXe [5.5K]3 years ago
8 0

Answer:

try on your computer

Explanation:

irga5000 [103]3 years ago
6 0

Answer:

132321

Explanation:

It’s that answers

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A man walks along a straight path at a speed of 4 ft/s. A searchlight is located on the ground 6 ft from the path and is kept fo
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We are given that,

\frac{dx}{dt} = 4ft/s

We need to find \frac{d\theta}{dt} when x=8ft

The equation that relates x and \theta can be written as,

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x = 6tan\theta

Differentiating each side with respect to t, we get,

\frac{dx}{dt} = \frac{dx}{d\theta} \cdot \frac{d\theta}{dt}

\frac{dx}{dt} = (6sec^2\theta)\cdot \frac{d\theta}{dt}

\frac{d\theta}{dt} = \frac{1}{6sec^2\theta} \cdot \frac{dx}{dt}

Replacing the value of the velocity

\frac{d\theta}{dt} = \frac{1}{6} cos^2\theta (4)^2

\frac{d\theta}{dt} = \frac{8}{3} cos^2\theta

The value of cos \theta could be found if we know the length of the beam. With this value the equation can be approximated to the relationship between the sides of the triangle that is being formed in order to obtain the numerical value. If this relation is known for the value of x = 6ft, the mathematical relation is obtained. I will add a numerical example (although the answer would end in the previous point) If the length of the beam was 10, then we would have to

cos\theta = \frac{6}{10}

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\frac{d\theta}{dt} = \frac{24}{25}

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2 years ago
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3 years ago
The number of employees for a certain company has been decreasing each year by 4%. If the company currently has 650 employees an
nika2105 [10]
The answer would probably be 649.96
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PLEASE HELPPP Count the number of atoms of each element in this molecule: 2H2K(OH2)2​
yulyashka [42]

Answer:

H = 6 atoms

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2 years ago
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