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Mariulka [41]
3 years ago
14

Solutions to environmental problems ________.

Physics
1 answer:
hjlf3 years ago
5 0

Answer: B. Must be designed with sustainable goals

Explanation: While there are several problems and issues plaguing the world especially those concerning the environment, for which solutions are proposed and developed, care are taken to ensure that these designs don't negatively impact other aspects of the society. As such, developing solutions to environmental issues must be in line with sustainability and its goals currently in place to ensure good environmental quality and general well-being of members of society without compromising the ability of the future generations to meet their needs. In this we are aware of our resource consumption while reducing unnecessary waste among others.

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Medical x-rays, with a wavelength of about 10^(-10) m, can penetrate completely through your skin.
natulia [17]
Wavelength of X-rays = 10⁻¹⁰ m
Wavelength of UV = 1000 x 10⁻¹⁰
= 10⁻⁷ m
4 0
3 years ago
you throw a ball vertically so it leaves the ground withe velocity of 3.71m/s. what is its acceleration at this point
tino4ka555 [31]

No matter what direction you throw it, or with what speed, its acceleration is immediately 9.8 m/s^2 downward as soon as you release it from your hand, and it doesn't change until the ball hits something.

4 0
3 years ago
Someone help me please!!
patriot [66]
Pretty sure it's C) condensation because all of the others required heat to be added
7 0
3 years ago
Read 2 more answers
Please show steps as to how to solve this problem <br> Thank you!
bezimeni [28]

Explanation:

Let x = distance of F_1 from the fulcrum and let's assume that the counterclockwise direction is positive. In order to attain equilibrium, the net torque \tau_{net} about the fulcrum is zero:

\tau_{net} = -F_1x + F_2d_2 = 0

-m_1gx + m_2gd_2 = 0

m_1x = m_2d_2

Solving for <em>x</em>,

x = \dfrac{m_2}{m_1}d_2

\:\:\:\:=\left(\dfrac{105.7\:\text{g}}{65.7\:\text{g}} \right)(13.8\:\text{cm}) = 22.2\:\text{cm}

4 0
3 years ago
Oil (SAE 30) at 15.6 oC flows steadily between fixed, horizontal, parallel plates. The pressure drop per unit length along the c
solong [7]

Answer:

q = 0.0003649123 m²/s = (3.65 × 10⁻⁴) m²/s

Explanation:

For laminar flow between two parallel horizontal plates, the volumetric flow per metre of width is given as

q = (2h³/3μ) (ΔP/L)

h = hydraulic depth = 4mm/2 = 2mm = 0.002 m

μ = viscosity of oil (SAE 30) at 15.6°C = 0.38 Pa.s

(ΔP/L) = 26 KPa/m = 26000 Pa/m

q = (2h³/3μ) (ΔP/L)

q = (26000) × (2(0.002³)/(3×0.38))

q = 0.0003649123 m²/s = (3.65 × 10⁻⁴) m²/s

5 0
3 years ago
Read 2 more answers
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