3 years ago

TP2 2) An example of a 3rd gen lever is:

Physics

1 answer:

Reika [66]3 years ago

4 0

The correct answer would be C

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Utility poles are to be set every 30 meters. How many poles will be set in one mile if one was set at the beginning of the mile)

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Answer:

Explanation:

Because there are 1609.34 meters in a mile. 1609.34÷30=53.64 but because you put one at the beginning of the mile it will stay 53 and not round up to 54

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What planet has an eleven hundred degree difference from one side to the other.

kirza4 [7]

The planet Mercury. Hope this helps

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A 30-cm long string, with one end clamped and the other free to move transversely, is vibrating in its second harmonic. The wave

Ann [662]

Answer:

$\lambda$ = 40 cm

Explanation:

given data

string length = 30 cm

solution

we take here equation of length that is

L = $n \times \frac{1}{4} \lambda$ ...............1

total length will be here

$L = \frac{\lambda}{2} + \frac{\lambda}{4}\\$

$L = \frac{3 \lambda }{4}$

so $\lambda$ will be

$\lambda = \frac{4L}{3}\\\lambda = \frac{4\times 30}{3}$

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3 years ago

How many significant figures? 5.0001 O None of these are correct O 5 02 0 1

mezya [45]

if zero falls between two significant numbers it becomes significant.

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3 years ago

If you were to divide the presentday universe into cubes whose sides are 10 million lightyears long, each cube would contain, on

vovikov84 [41]

Answer:

Explanation:

density of galaxies would be $\frac{1}{0.27^3}$ times higher which is equal to 50.81.

It means in a cube that today contains one galaxy the size of the Milky Way, we would instead find 50.81 galaxies this size.

You can round this off to 52

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3 years ago