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WARRIOR [948]
3 years ago
11

A team of engineers has designed a new anti-collision device for cars. The device is intended to reduce the chance of collisions

between cars. The engineers have decided to test the device on model cars in laboratory conditions before testing it on real cars.
Which test would be MOST useful to decide if the device works as intended?
A) Comparing the frequency of collisions with and without the device
B) Measuring the amount of damage after a collision, with the device fitted
C) Observing how the number of collisions varies with the speed of the cars
D) Comparing the performance of the device with that of other similar devices
History
1 answer:
DerKrebs [107]3 years ago
5 0

Answer:

As the device is intended to reduce the chance of collision between cars, the test used has to address this issue hence the answer is A. B tests the amount of damage which is not what the device is intended to do. C addresses the device functionality with respect to the speed of the car which is irrelevant as the device should reduce chance of collision irregardless of the car's speed. D would be useful to test the device although it will not be the most useful to test if the device works as intended, this would probably be used in a later stage of testing to determine the performance and consistency of the device, for example.

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Which statements best describe the plantation system in Ireland? Check all that apply.
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Plantation system in Ireland describes that the plantations were created from confiscated land,  it were operated by Protestant landowners, most land in Ulster was owned by Scottish and English settlers, and Irish tenant farmers had to sell the crops they grew to pay rent.

<h3>What is a plantation system?</h3>

A plantation system economy means that it is centered on large-scale agricultural mass production, mainly of a few commodity crops, on enormous farms known as plantations.

The export of cash crops is the main source of income for plantation economies.

The plantation system in Ireland recounts how plantations were built on confiscated property and administered by Protestant landlords. The majority of land in Ulster was owned by Scottish and English settlers, and Irish tenant farmers were forced to sell their harvests to pay rent.

Therefore, the correct options are A, C, D and F.

Learn more about the plantation system, refer to:

brainly.com/question/3002395

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These port cities were centers of trade, serving as links in terms of capital and labor mobility.

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