e slow economic growth. The most evolved economies experience moderate financial development i.e slow economic growth. Another expression for moderate financial development is monetary stagnation

5 0

3 years ago

Political Canvassing Activities Answering phone calls Going door-to-door with party materials Contributing to party newsletters

Debora [2.8K]

Answer:

D - Hiring key personnel

Explanation:

Political canvassing can be seen by many to mean the process of going out in the field to talk to voters that live in a particular area. Going to speak to potential voters at their homes has seem quite effective because it would be a good way to know where they live in the targeted area.

Canvassing can be expensive because there are costs associated with the hiring of key personnel to coordinate canvassers for you, and obtaining a registration list of voters.

5 0

3 years ago

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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.

To know more about the Lorentz contraction formula, visit:

brainly.com/question/17407131

#SPJ4

7 0

2 years ago