Advanced Placement (AP) College

b. What is the name of the geologic structure viewed here (don’t just say fold, it is a
specific type of fold)?

Answers

Answer 1

Answer:

The geologic structure viewed in the image is an anticline fold.

Explanation:

Related Questions

WataDine is one of a city’s many restaurants that serve lunch and dinner in a monopolistically competitive market. Assume WataDine, as a typical restaurant in the city, is currently producing the profit-maximizing output level, and earns positive economic profit. (a) How is monopolistic competition similar to each of the following market structures? (i) Perfect competition (ii) Monopoly (b) WataDine is currently earning positive economic profits. Draw a correctly labeled graph for WataDine in short-run equilibrium and show each of the following. (i) The profit-maximizing quantity, labeled QM (ii) The profit-maximizing price, labeled PM (c) Given that WataDine is currently earning positive economic profits, what will happen to each of the following in the long run? (i) WataDine's economic profit. Explain. (ii) WataDine's demand curve for its restaurant meals. (d) Assume WataDine is in long-run equilibrium. (i) Is WataDine taking advantage of its economies of scale? Explain. (ii) Would WataDine produce the productively efficient output? Explain.

Answers

(a) (i) Monopolistic competition is similar to perfect competition in that there are many firms in the market, and each firm faces a downward-sloping demand curve. In the long run, firms in monopolistic competition earn zero economic profit, while in perfect competition firms earn zero economic profit in both the short and long run. (ii) Monopolistic competition is similar to monopoly in that each firm has some degree of market power, which allows it to set its own price. However, in monopolistic competition, firms face competition from other firms selling similar but not identical products, so they cannot charge a price that is too high without losing customers.

(b) In the short run, WataDine will produce the quantity where marginal revenue (MR) equals marginal cost (MC), which is labeled QM in the graph. The price that WataDine can charge for this quantity is labeled PM.

(c) In the long run, WataDine's economic profit will be zero, because new firms will enter the market and existing firms will expand, which will increase competition and decrease demand for WataDine's meals. As demand decreases, WataDine's demand curve will shift to the left, which will decrease the price it can charge for its meals.

(d) (i) If WataDine is taking advantage of economies of scale, it is producing at a lower average total cost than it would if it were producing at a smaller scale. In the long run, other firms will enter the market and compete with WataDine, which will decrease demand for WataDine's meals and make it more difficult for WataDine to take advantage of economies of scale. (ii) WataDine will not produce the productively efficient output because it is producing at a quantity where marginal revenue equals marginal cost, which is less than the quantity where marginal cost equals average total cost.

a. Give a physical reason why the curve in the graph would not reach the vertical (Elost) axis even if the scientists had taken data over a broader range of temperatures.

b. As S increases, Elost approaches a maximum value labeled Emax on the graph above. Write an equation for Emax in terms of M, D, and physical constants, as appropriate.

Justify your answer.

c. One of the scientists, in trying to represent the relationship between the oil stiffness and the mechanical energy lost, writes down the equation 2 Elost = CS2, where C is a constant with appropriate units. Another scientist points out that this equation cannot be correct. Give two reasons why the equation cannot be correct.

Answers

Answer:

a. The physical reason why the curve in the graph would not reach the vertical (Elost) axis even if the scientists had taken data over a broader range of temperatures is that there is always some energy loss due to friction and other factors. As temperature decreases, the oil becomes more viscous, and there is less energy loss due to friction. However, there is still some energy loss, even at very low temperatures, which prevents the curve from reaching the vertical axis.

b. The equation for Emax in terms of M, D, and physical constants is:

Emax = (π^2 * k * M) / (2 * D^2)

where k is the spring constant of the oscillator, M is the mass of the oscillator, and D is the diameter of the oscillator. This equation can be derived from the graph by finding the maximum value of Elost as S increases.

c. The equation 2 Elost = CS2 cannot be correct for two reasons. First, the units of the two sides of the equation do not match. The units of Elost are energy (Joules), while the units of CS2 are (Joules^2/m^4). Second, the equation implies that Elost is proportional to the square of the speed of the oscillator, which is not true. The energy lost by the oscillator depends on many factors, including the stiffness of the oil, the mass of the oscillator, and the amplitude of the oscillation, but it is not proportional to the square of the speed of the oscillator.

Explanation:

hope this helps xd

Scientists believe that the boundary stratum between the Cretaceous and Paleogene periods was caused by an asteroid. What evidence is most consistent with this theory?

Answers

There is strong evidence to support the theory that the boundary stratum between the Cretaceous and Paleogene periods was caused by an asteroid impact. This includes the discovery of a massive crater off the coast of Mexico which dates to the same time period, as well as the presence of large amounts of iridium in sedimentary layers associated with the boundary. Additionally, studies of fossilized marine life indicate a sudden and dramatic extinction event during this time period, which is consistent with the hypothesis of a catastrophic impact. Overall, the evidence strongly suggests that an asteroid impact played a major role in the transition between the Cretaceous and Paleogene periods.
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