2 years ago

List 3 different sciences involved in environmental science

Physics

2 answers:

Lera25 [3.4K]2 years ago

8 0

Biology, physics, geology

n200080 [17]2 years ago

5 0

Ecology, biology, and geology

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Biofuels and nuclear power may prove useful as _________.

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As oil ,coal ,gas ,solar ,wind and water power

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3 years ago

As a ray of light becomes brighter, its corresponding light wave, shown here, will increase in amplitude, making it look MOST li

grandymaker [24]

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Explanation:

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3 years ago

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A child lies on his back and raises his head up off the floor. When doing so, the total tension force in his neck muscles is 51.

Margarita [4]

Answer:

The total tension in the child's neck muscle, T = 56.51 N

Explanation:

Let m = mass of the child's neck

Radius of the curve, r = 2.40 m

The child's speed, v = 3.35 m/s

The tension force on the child's neck when he raises his head up off the floor, $T_{f} = 51.0 N$

The tension force on the child's neck when he raises his head from the wall of the slide, $T_{s} = ?$

$T_{f} = mg\\g = 9.8 m/s^2\\51 = m * 9.8\\m = 51/9.8\\m = 5.2 kg$

Since he makes a circular turn in water, the radial acceleration can be given by the equation:

$a_{r} = \frac{v^{2} }{r} \\a_{r} = \frac{3.35^{2} }{2.4}\\a_{r} = 4.68 m/s^2$

$T_{s} = ma_{r} \\T_{s} = 5.2 * 4.68\\T_{s} = 24.336 N$

The total tension in the child's neck muscle till be calculated as:

$T = \sqrt{T_{f} ^{2} + T_{s} ^{2} } \\T = \sqrt{51 ^{2} + 24.336^{2} }\\T = \sqrt{2601 + 592.24 }\\T = 56.51 N$

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2 years ago

What type of front occurs when cold air and warm air are next to each other but are at a standstill

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A stationary front.

(Hope this helped! c:)

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3 years ago

What will be the pressure exerted by the object if 5000N of the force is acting on an area of 200 cm square

stich3 [128]

Answer:

Answer:25 pascal

Explanation:

Pressure=force÷area

Pressure=5000N÷200cm^2

=25

N/cm^2

=25pascal

Explanation:

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3 years ago

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