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marysya [2.9K]
3 years ago
5

A bank offers a credit plan that lists 2% interest for the first year of a loan. If a customer takes the loan and 16 years later

the rate for this loan is still 2%, the loan likely has a(n)
a-adjustable rate
b- credit limit
c-down payment
d-fixed rate
Physics
1 answer:
Bumek [7]3 years ago
8 0
If the interest rate hasn't changed over the course of 16 years,
then that's pretty convincing evidence to suggest that the loan
has an fixed rate.
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We can look at the band structure of an element to get an idea of how many electronsper atom participate in conduction. We can a
Natasha_Volkova [10]

Answer:

the free electron density of lithium is 2.3 × 10²⁸ /m³

Explanation:

The Fermi energy is 4.72 eV.

The Fermi energy (highest filled orbital energy ) of free electron is

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Rearrange the above equation for free electron density of lithium

\frac{N}{V} = \frac{\pi }{3} (\frac{8m_e \varepsilon_f}{h^2} )^{3/2}

where,

h = 6.626 × 10⁻³⁴J.s

m_e = 9.11 × 10⁻³¹kg

\varepsilon_f = 4.72eV

= \frac{\pi }{3} (\frac{8(9.11\times10^{-31})(4.72\times1.6\times10^{-19})}{6.626\times10^{-34}} )\\\\= 2.3\times10^{28} /m^3

Thus, the free electron density of lithium is 2.3 × 10²⁸ /m³

4 0
3 years ago
Phase difference formula
Anestetic [448]

Answer:

Δx is the path difference between the two waves.

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Phase Difference And Path Difference Equation.

Formula Unit

Phase Difference \Delta \phi=\frac{2\pi\Delta x}{\lambda } Radian or degree

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3 0
2 years ago
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Greeley [361]

Answer:

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7 0
3 years ago
An object is projected from the ground with an upward speed of ų m/s has a speed of 23m/s when it is at a height of 5m above the
vovikov84 [41]

Answer:

25.08m/s

Explanation:

mgh1 + 0.5mv1² = mgh2 + 0.5mv2²

h1 = 0m

v1 = u

h2 = 5m

v2 = 23m/s

putting the values into the formula above;

m(10)(0) + 0.5m(u²) = m(10)(5) + 0.5m(23²)

0 + 0.5mu² = 50m + 264.5m

0.5mu² = 314.5m

dividing through by m

0.5u² = 314.5

u² = 629

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<u>Theref</u><u>ore</u><u>,</u><u> </u><u>the</u><u> </u><u>init</u><u>ial</u><u> </u><u>speed</u><u> </u><u>"</u><u>u</u><u>"</u><u> </u><u>=</u><u> </u><u>2</u><u>5</u><u>m</u><u>/</u><u>s</u>

6 0
3 years ago
a 4kg metal block absorbs 5000j of energy and increases to a temperature of 22°c. the metal has a specific heat capacity of 250j
e-lub [12.9K]

Answer:

17 °C

Explanation:

From specific Heat capacity.

Q = cm(t₂-t₁)................. Equation 1

Where Q = Heat absorb by the metal block, c = specific heat capacity of the metal block, m = mass of the metal block, t₂ = final temperature, t₁ = Initial temperature.

make t₁ the subject of the equation

t₁ = t₂-(Q/cm)............... Equation 2

Given: t₂ = 22 °C, Q = 5000 J, m = 4 kg, c = 250 J/kg.°c

Substitute into equation 2

t₁ = 22-[5000/(4×250)

t₁ = 22-(5000/1000)

t₁ = 22-5

t₁ = 17 °C

6 0
3 years ago
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