Which of the following statements is true regarding the influence of organizational factors on purchasing decisions?

How fast must an object move before its length appears to be contracted to one-half its proper length?

notsponge [240]

The object must move with the speed of $\frac{\sqrt{3} }2}$ times to approximately seeing that it is contracted to exactly half of its actual length.

<h3>How is this calculated?</h3>

The length contraction experimented by the object as it approaches lightspeed, in meters per second, is described by Lorentz contraction formula:

$\frac{L}{L'} = \sqrt{(1) - (\frac{v}{c})^{2}$

Here, v is the current speed m/s

c is the speed of light in m/s

L' is the length of the object at rest in m

L is the length of the object at the current speed in m

Now we know that

$\frac{L}{L'}= \frac{1}{2}$ and $\frac{v}{c} = r$ then,

$\frac{1}{2} = \sqrt{1 - r^{2} }\\\frac{1}{4} = 1 - r^{2}\\r^{2} = \frac{3}{4}$

Hence, r = $\frac{\sqrt{3} }{2}$

Therefore, the answer is the object must travel at a speed of $\frac{\sqrt{3} }{2}$ times the lightspeed to be contracted to one-half its proper length.

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7 0

2 years ago

While she does not scream when her parents attempt to cuddle with her, Marwa does tend to look away and demonstrate some discomf

Levart [38]

Answer:

With regard to temperament, Marwa is best classified as: slow-to-warm-up.

Explanation:

<u>According to Thomas and Chess, temperament is comprised of the individual differences concerning self-regulation, emotions, and motor reactivity. Those characteristics are consistent over time and across situations.</u> There are three general types of temperament in children:

- Easy children adjust to new situations and are active and happy since birth.

- Difficult children are hard to satisfy. They do not adjust easily, express negative moods intensely, and present irregular routines.

<u>- Slow-to-warm-up children are less active babies since birth. They can show some difficulty adjusting to new situations.</u>

<u>Marwa would be best classified as a slow-to-warm-up child. Notice that she demonstrates discomfort, but not to the point of screaming, like a difficult child would do.</u>

8 0

3 years ago

Which of the following is true of both paying with a check and paying with a debit card? ABoth are accepted by most people and m

Evgen [1.6K]

<span>C When used, both take money directly out of a bank account</span>

8 0

3 years ago

How did the spread of maize cultivation from present day mexico support economic development, settlement, advance irrigation, an

Solnce55 [7]

The spread of maize cultivation from present-day Mexico northward into the present-day American Southwest and beyond supported economic development, settlement, advanced irrigation, and social diversification among societies.

Examples: Pueblo, Navaho (Navajo)

the question is incomplete .please read below to find the missing content

What particular agricultural crop helped advance a civilization?

Cultivate Add to list Share. Cultivation is the act of caring for and growing plants. Your desire to grow your own fruits and vegetables in your backyard means that you will engage in some heavy cultivation. Commonly used.

Plowing (or excavating) refers to digging the soil down to a spade depth, burying weeds and debris into the soil, and aerating the soil to avoid compaction. It facilitates the penetration of airborne nutrients and water deep into the soil for plant roots to access.

Learn more about cultivation here

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3 0

2 years ago

What is exemplified by a worm eating dead leaves, a robin eating the worm, a snake eating the robin, and a bobcat eating the sna

zlopas [31]

Answer: a food chain or a food web

Explanation: (:

3 0

2 years ago