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natulia [17]
3 years ago
9

1. (02.02 LC)

Physics
1 answer:
Anastaziya [24]3 years ago
6 0
1. The main benefit of a technical school certification is more time spent perfecting skills compared to college
2. Juanita, who lives with her brother, has saved $12,000 for a down payment on her own house. Her financial planner suggests she look for a savings account that offers compound interest accounts. Juanita should take his advice because: She will earn interest on the initial deposit, as well as interest earned.
3. Jared's friends invite him to dinner at a local restaurant that serves Cuban food. Jared declines the offer because he dislikes the flavors in Cuban dishes. The best representation of Jared’s decision is Preference for another style of food
4. One bank offers a 4% variable rate loan, while a competitor offers a 3% fixed rate loan over the same period. Assuming no other differences between the loans, a customer should choose the fixed rate loan because the interest rate is lower and will not increase
5. If Juliet consistently buys health insurance for twenty years but never suffers a costly illness, were her premium payments wasted? No, if the safety of being insured was worth more to her than the monetary cost of the premiums
6. A period of economic stability began in the 1980s. In 2001, prices began to increase. In 2007, an economic crisis caused prices to fall. 2007 would be considered the peak of this cycle because from there, the prices start to fall.
7. If a series of events results in a decrease in investments in U.S. businesses, It would result to a CONTRACTION on the U.S. economy
8 The Medicine industry benefits from government subsidies.
9. A supply and demand graph, showing quantity on the x axis and price is on y axis. Red supply line S rises up and to the right f
There is SURPLUS if the line ""Artificial Price"" were above the intersection of the supply and demand lines.
10. How are start-up costs related to natural monopolies?
High start-up costs prevent others from offering the same service in a natural monopoly.
11. The function of the Federal Reserve System is to CONTROL THE MONEY SUPPLY

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The container was lifted a height of 14 m
Alika [10]
Work done = Force X Distance

3 430 000J = Force X 14m

Force = 3 430 000J / 14m
= 245 000 N

Hope this helps!
8 0
2 years ago
What is the temperature of an incandescent lamp filament
liubo4ka [24]
It’s about 5000 F hope that helps
4 0
3 years ago
What is the strength of an electric field that will put a force of<br> 1.28 x 10-15 N on a proton?
PilotLPTM [1.2K]

Answer: E =  7,490.6 N/C

Explanation:

If we have a field E, and a particle with a charge q, the force that the particle experiences is:

F = E*q

In this case, we know that the force is:

F = 1.2*10^(-15) N

And we know that the particle is a proton, where the charge of a proton is:

q = 1.602*10^(-19) C

Then we can replace these two values in the equation to get:

1.2*10^(-15) N = E*1.602*10^(-19) C

We just need to isolate E.

(1.2*10^(-15) N)/(1.602*10^(-19) C) = E

7,490.6 N/C = E

That is the strength of the electric field.

8 0
3 years ago
What are the chances that radio transmissions from Earth or messages sent on distant space probes will ever be received by livin
spin [16.1K]

Answer:

<u>Very low</u>

<u>Explanation:</u>

It is fair to say to a reasonable extent that there are very low chances that radio transmissions from Earth or messages sent on distant space probes will ever be received by living beings .

Bear in mind that for years some scientists have believed without any substantial evidence that there are other living beings in distant space.

4 0
3 years ago
It has been argued that power plants should make use of off-peak hours to generate mechanical energy and store it until it is ne
sdas [7]

Answer:

Explanation:

90 rpm = 90 / 60 rps

= 1.5 rps

= 1.5 x 2π rad /s

angular velocity of flywheel

ω = 3π rad /s

Let I be the moment of inertia of flywheel

kinetic energy = (1/2) I ω²

(1/2) I ω² = 10⁷ J

I = 2 x  10⁷ / ω²

=2 x  10⁷ / (3π)²

= 2.2538 x 10⁵ kg m²

Let radius of wheel be R

I = 1/2 M R² , M is mass of flywheel

= 1/2 πR² x t x d x R² , t is thickness , d is density of wheel .

1/2 πR⁴ x t x d = 2.2538 x 10⁵

R⁴ = 2 x 2.2538 x 10⁵ / πt d

= 4.5076 x 10⁵ / 3.14 x .1 x 7800

= 184

R= 3.683 m .

diameter = 7.366 m .

b ) centripetal accn required

= ω² R

= 9π² x 3.683

= 326.816 m /s²

3 0
3 years ago
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