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LUCKY_DIMON [66]
3 years ago
5

Maya and Kenzie are discussing oil spills and how they impact the environment. How can humans help reduce the impact of oil spil

ls?
A) Using physical and chemical clean up methods to remove the oil
B) Adding more shipping routes
C) Allowing the oil to naturally disperse
D) Increasing overall energy usage
Physics
2 answers:
madam [21]3 years ago
6 0

The correct answer is A.

Fittoniya [83]3 years ago
6 0

Maya and Kenzie are discussing oil spills and how they impact the environment. How can humans help reduce the impact of oil spills?

Answer:

A) Using physical and chemical clean up methods to remove the oil

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Uniformly charged ring with 180 nC/m and radius R= 58 cm. Find the magnitude of the electric field in KN/C at a point P on the a
raketka [301]

Answer:

3.135 kN/C

Explanation:

The electric field on the axis of a charged ring with radius R and distance z from the axis is E = qz/{4πε₀[√(z² + R²)]³}

Given that R = 58 cm = 0.58 m, z = 116 cm = 1.16m, q = total charge on ring = λl where λ = charge density on ring = 180 nC/m = 180 × 10⁻⁹ C/m and l = length of ring = 2πR. So q = λl = λ2πR = 180 × 10⁻⁹ C/m × 2π(0.58 m) = 208.8π × 10⁻⁹ C and ε₀ = permittivity of free space = 8.854 × 10⁻¹² F/m

So, E = qz/{4πε₀[√(z² + R²)]³}

E = 208.8π × 10⁻⁹ C × 1.16 m/{4π8.854 × 10⁻¹² F/m[√((1.16 m)² + (0.58 m)²)]³}

E = 242.208 × 10⁻⁹ Cm/{35.416 × 10⁻¹² F/m[√(1.3456 m² + 0.3364 m²)]³}

E = 242.208 × 10⁻⁹ Cm/35.416 × 10⁻¹² F/m[√(1.682 m²)]³}

E = 6.839 × 10³ Cm²/[1.297 m]³F

E = 6.839 × 10³ Cm²/2.182 m³F

E = 3.135 × 10³ V/m

E = 3.135 × 10³ N/C

E = 3.135 kN/C

3 0
3 years ago
Which two terms indicate the same area of the body? *
Kruka [31]

Answer:

For example, the toes are anterior to the heel, and the popliteus is posterior to the patella. Superior and inferior, which describe a position above (superior) or below (inferior) another part of the body. For example, the orbits are superior to the oris, and the pelvis is inferior to the abdomen.

Explanation:

4 0
3 years ago
Have the highest birth rate
Sveta_85 [38]

Answer:

353225

Explanation:8uhhhhhhhhhlkgg

3 0
3 years ago
The tub of a washer goes into its spin-dry cycle, starting from rest and reaching an angular speed of 5.0 rev/s in 8.0 s. At thi
alisha [4.7K]

Answer:

The total number of revolution is 50 rev.

Explanation:

Given that,

Angular speed = 5.0 rev/s

Time = 8.0 s

We need to calculate the angular acceleration

Using equation of angular motion

\omega_{f}-\omega_{i}=\alpha t

Put the value into the formula

5.0-0=\alpha\times8.0

\alpha=\dfrac{5.0}{8.0}

\alpha=0.625\ rev/s^2

We need to calculate the angular displacement

Using equation of angular motion

\theta=\omega_{i}t+\dfrac{1}{2}\alpha t^2

Put the value into the formula

\theta=0+\dfrac{1}{2}\times0.625\times(8.0)^2

\theta=20\ rev

Now, The washer coming to rest from top spin

We need to calculate the angular acceleration

Using equation of angular motion

\omega_{f}-\omega_{i}=\alpha t

\alpha=\dfrac{\omega_{f}-\omega_{i}}{t}

\alpha=\dfrac{0-5}{12}

\alpha=−0.4167\ rev/s^2

We need to calculate the angular displacement

Using formula of displacement

\theta'=\omega_{i}t+\dfrac{1}{2}\alpha t^2

Put the value into the formula

\theta'=5\times12+\dfrac{1}{2}\times(-0.4167)\times12^2

\theta'=30\ rev

We need to calculate the total number of revolution

\theta''=\theta+\theta'

\theta''=20+30

\theta''=50\ rev

Hence, The total number of revolution is 50 rev.

5 0
3 years ago
A sound source producing 1.00 kHz waves moves toward a stationary listener at one-half the speed of sound.
SIZIF [17.4K]

Answer:

2000Hz and 1500Hz

Explanation:

Using

a) f = f0((c+vr)/(c+vs))

=>>> f0((c)/(c-0.5c))

=>>>1000/0.5 = 2000Hz

b) f = f0((c+vr)/(c+vs))

=>>>f0((c+0.5c)/(c))

=>>>>1000 x 1.5 = 1500Hz

5 0
3 years ago
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