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navik [9.2K]
3 years ago
10

The price of coffee fell sharply last month, while the quantity sold remained the same. Five people suggest various explanations

: Antonio: Demand decreased, but it was perfectly inelastic. Caroline: Demand decreased, but supply was perfectly inelastic. Dmitri: Demand decreased, but supply increased at the same time. Frances: Supply increased, but demand was perfectly inelastic. Jake: Supply increased, but demand was unit elastic. Who could possibly be right? Check all that apply.
Rajiv
Simone
Yakov
Ana
Charles
Physics
1 answer:
miss Akunina [59]3 years ago
7 0

Answer:

France. True Supply increased and demand did not adapt

Explanation:

If the price of coffee decreases it may be due to two causes

- Increase of the offer

- decrease in demand

- both simultaneously.

Let's examine the statement. They tell us that the amount sold remained constant, so there is no decrease in demand, therefore the only cause may be the increase in supply.

Let's check the answers

Antonio     False. The demand is constant.

Carolina.   False. The demand is constant.

Dmitri        False. The demand is constant.

France.     True Supply increased and demand did not adapt

Jake.         False. Demand did not adapt to the increase in supply

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Represent the motion in the number line.

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Total displacement = -680m + 430m - 620m = -870m

Total displacement = 860m to the east.

8 0
3 years ago
Describe how work is done by a skater pulling in her arms during a spin. In particular, identify the force she exerts on each ar
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Answer:

 ∑ τ =0,  L₀ = L_{f}

Explanation:

In a circular turning movement, when the arms are extended and then contracted in two possibilities:

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    In this movement the force is vertical(gravity) and the movement of the center of mass of each arm is vertical, so that the work is the weight value of the arm by the distance traveled by the center of mass.

- Another possibility is that the arms have stuck to the body, in this case the person's muscles perform the force, this force is horizontal and the displacement is the horizontal of the center of mass of the arms from the extended position to the contracted

 

In these movements the torque of the external force is equal for each arm, but in the opposite direction, so they are canceled where a net torque of zero, this causes the angular momentum to be preserved, which changes is the moment of inertia of the system and therefore you must also change the angular velocity to keep your product constant

          ∑ τ =0

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4 0
3 years ago
Longitudinal waves transfer energy ___________ to the direction of the wave motion.
viva [34]
Longitudinal waves transfer energy parallel to the direction of the wave motion
4 0
3 years ago
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Is it possible for an object to have a charge of 4.8x10-9 C? Why or why not?
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I have absolutely no clue
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3 years ago
1/012=1/0.05+1/d' hiiiiiiiiii
klasskru [66]

Correct question is;

1/0.12 = (1/0.05) + (1/d')

Answer:

d' = -1/700

Explanation:

1/0.12 = (1/0.05) + (1/d')

Let's rearrange to get;

(1/d') = (1/0.12) - (1/0.05)

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(1/d') = 100/12 - 100/5

Let's multiply through by 60 to get rid of the denominators on the right side;

> (1/d') = 500 - 1200

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