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valentina_108 [34]
3 years ago
13

How far away is the sun from earth in AU?

Physics
1 answer:
julia-pushkina [17]3 years ago
5 0
That distance is the definition of 1 AU.
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Jasmine is a cook, and she wants to buy new equipment. She is presented with dishes made of copper, clay, plastic, and glass. Sh
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I would say that the answer is 4.) because if she does most of cooking on the stove, that would allow us to make the assumption that she is using heat and therefore requires and apparatus that conducts heat. Copper is also a metallic that is known to be conductive.
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4 years ago
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If the period of the lowest-frequency sound you can hear is 0.050 s, then what is its frequency?
seropon [69]
The frequency of a sound wave or any wave for that matter is the reciprocal of the period. That is,
                                            f = 1/T
Substituting the known value of period,
                                            f = 1/(0.05 s) 
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Thus, the frequency of the wave is equal to 20 Hz. 
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4 years ago
A solid disk of radius 5.50 cm and mass 1.25 kg , which is rolling at a speed of 1.50 m/s , begins rolling without slipping up a
shtirl [24]

Answer:

Explanation:

Deceleration of solid disk = g sin10/1 + k²/r² = g sin 10 / 1 + 1/2 = g sin 10 x 2/3

[ k is radius of gyration of disk which is equal to( 1/√2)x r ]

deceleration a = -1.1345 m/s²

v = u - at , t = u / a = 1.5 / 1.1345 = 1.322 s.

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3 years ago
Which cell structure is found in plant cells but not in animal cells?
o-na [289]

Answer:

B). Cell wall

Explanation:

a cell wall gives the plant cell its rigid box like shape, which animal cells do not have since they do not have cell walls.

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