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Alchen [17]
3 years ago
9

Whether an ionic bond or a covalent bond forms, bonds form in order to make newly created substances ________ than the substance

s they were created from.
A) less stable
B) more stable
C) less efficient
D) more efficient
Physics
1 answer:
Nezavi [6.7K]3 years ago
6 0
The answer would be less stable
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An automobile can be considered to be mounted on four identical springs as far as vertical oscillations are concerned. The sprin
iogann1982 [59]

Answer:

Therefore, the spring constant of each spring =  1.6 × 10⁻⁶ kg/s².

Explanation:

The period (T) of a spring in oscillation = 2π √(m/k)............. equation 1

Where m = mass acting on the spring (kg), k = spring constant of the spring (kg/s²).

Making k the subject of  equation 1

k = T²/(4π²×m) .......................... equation 2

From the question, F = 4.42 Hz,

since  T = 1/F

then, T = 1/F = 1/4.42 =0.226 s, π = 3.143

since the weight of the mass is evenly distributed over the four identical spring, Hence

m = 1450/4 = 362.5 kg

Substituting these values into equation 2

k = 0.226/{(4×3.143²)362.5}

k = 0.226/(14323.751)

k = 0.0000016 kg/s²

k = 1.6 × 10⁻⁶ kg/s².

Therefore, the spring constant of each spring =  1.6 × 10⁻⁶ kg/s².

5 0
3 years ago
A town requiring 2.0 m3/s of drinking water has two sources, a local well with 15 g/m3 nitrate (as N) and a distant reservoir wi
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Explanation:

Drinking water requirement in town 2.0 m^3/s of water per second

nitrate in local well  nitrate per 15 \mathrm{m}^{3} of water

nitrate in distant reservoir =5 \mathrm{~g} / \mathrm{m}^{3}

Let the flow rate of well

flow rate of reservoir =y m^{3} / s

Drinking water requirement is 45 \mathrm{ppm} or 45 \mathrm{~g} / \mathrm{m}^{3}

therefore, the total flow of drinking water

 

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3 years ago
At a certain place, Earth's magnetic field has magnitude B =0.703 gauss and is inclined downward at an angle of 75.4° to the hor
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Answer:

The charge flows in coulombs is

dq=1.843x10^{-5}C

Explanation:

The current magnitude of current is given by the resistance and the induced Emf as:

I=N*\frac{dF}{Rdt}

\frac{dq}{dt}=\frac{dF}{Rdt}=dq=N*\frac{dF}{R}

dq=\frac{N*\beta*A*(Cos(\alpha_f)-Cos(\alpha_i}{R}

N=1300, \beta=0.703, A=\pi*r^2=\pi*0.10^2=0.01\pi m^2, R=99.4+202=301.4Ω

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Replacing :

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3 years ago
Reflected light from a thin film of oil gives constructive interference for light with a wavelength inside the film of λfilm. By
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Answer:D. λfilm/4

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The film thickness will need to be increased by λfilm/4 for it to be able to give a destructive interference.

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3 years ago
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