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3 years ago

I need HELP ASAP please...

Physics

2 answers:

Ahat [919]3 years ago

8 0

Answer:

B. discover what interests you

Explanation:

A career decision must be based on one's interest. A career is something we have to do life long. And if it to be done life long, we must be vary careful in deciding are career. A believe we must identify our interest first. And experiment with to find the best combination of interest and future prospect. This cannot be done by the candidate itself though. A proper guidance by parents and a mentor is required

Hunter-Best [27]3 years ago

3 0

B for sure, you can’t do anything without knowing what you’re interested in!

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A light beam is directed parallel to the axis of a hollow cylindrical tube. When the tube contains only air, the light takes 8.7

monitta

Answer:

Explanation:

velocity of light in a medium of refractive index V = V₀ / μ

V₀ is velocity of light in air and μ is refractive index of light.

time to travel in tube with air = length of tube / velocity of light

8.72 ns = L / V₀ L is length of tube .

time to travel in tube with jelly = length of tube / velocity of light

8.72+ 1.82 = L / V L is length of tube .

10.54 ns = L / V

dividing the equations

10.54 / 8.72 = V₀ / V

10.54 / 8.72 = μ

1.21 = μ

refractive index of jelly = 1.21 .

3 0

3 years ago

Suppose that the inverse market demand for silicone replacement tips for Sony earbud headphones is p = pN - 0.1Q, where p is t

lbvjy [14]

Complete Question

The complete question is shown on the first uploaded image

Answer:

The effect of a change in the price of a new pair of headphones on the equilibrium price of replacement tips ( dp/dpN) is

$\frac{\delta p}{\delta p_N} =1$

The value of Q and p at equilibruim is

$Q_e = 250$ and $p_d =$ 5

The consumer surplus is $C= 3125$

The producer surplus is $P = 375$

Explanation:

From the question we are told that

The inverse market demand is $p_d = p_N -0.1Q$

The inverse supply function is $p_s = 2+ 0.012Q$

The effect of change in the price is mathematically given as

$\frac{\delta p}{\delta p_N}$

Now differntiating the inverse market demand function with respect to $p_N$

We get that

$\frac{\delta p}{\delta p_N} =1$

We are told that $p_N =$ $30

Therefore the inverse market demand becomes

$p_d = 30 -0.1Q$

At equilibrium

$p_d = p_s$

So we have

$30 -0.1Q_e = 2+ 0.012Q_e$

Where $Q_e$ is the quantity at equilibrium

$28 = 0.112Q_e$

$Q_e = \frac{28}{0.112}$

$Q_e = 250$

Substituting the value of Q into the equation for the inverse market demand function

$p_d = 30 - 0.1 (250 )$

$p_d =$ 5

Looking at the equation for $p_d \ and \ p_s$ we see that

For Q = 0

$p_d = 30$

$p_s =2$

And for Q = 250

$p_d = 5$

$p_s = 5$

Hence the consumer surplus is mathematically evaluated as

$C = \frac{1}{2} * Q_e * (30 -5)$

Substituting value

$C = \frac{1}{2} * 250 (30-5)$

$C= 3125$

And

The producer surplus is mathematically evaluated as

$P = \frac{1}{2} *250 * (5-2)$

$P = 375$

4 0

3 years ago

What happens to the direction of the line joining when the object slows down ?Explain the observations

denis-greek [22]

Answer:

it will be curved as in deceleration

Explanation:

5 0

3 years ago

A 15.0cm string is how many times shorter than the 30.0cm string?

Alex Ar [27]

Easy. answers B. Because 15.00x2=30

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3 years ago

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The gravity of Earth is attracting a person towards the center with 500N of gravitational force. The person is exerting a reacti

mestny [16]

Answer:

500n

Explanation:

7 0

3 years ago

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