2 years ago

HELP PLEASEE !!!! HELP FAST

Physics

2 answers:

yanalaym [24]2 years ago

7 0

Answer:

I'd say 2) "Genes are instructions that cells use to create proteins." Because it's more specific, and that's essentially what it's for.

Anna35 [415]2 years ago

5 0

Answer:

Explanation:

because genes don't create proteins. proteins come from what we take as food.

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aleksley [76]

The meters per second
+1t a second / 2t

6 0

2 years ago

The product side of a chemical reaction is shown. → 7Ti2(SO4)3

Alex_Xolod [135]

The answer is the fourth choice because there are 7 represents in a coefficient.

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2 years ago

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When a wire within a closed circuit is coiled upon a nail, the nail will _______.

Natali5045456 [20]

when wire is coiled upon a nail then it will posses magnetic characteristics

This is due to the coiled shape it will behave like a solenoid and the magnetic field of solenoid is given as

$B = \mu_o ni$

so here when wire is coiled up on a nail then due to the magnetic field of the coil the nail will attain magnetic characteristic.

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<em>Possess magnetic properties </em>

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3 years ago

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The diagram below shows the path of a planet around a star.

Anit [1.1K]

Answer:

Point C

Explanation:

Centripetal acceleration ac is inversely proportional to radius of orbit so it is greatest at point C.

7 0

2 years ago

The moon orbits the earth at a distance of 3.85 x 10^8 m. Assume that this distance is between the centers of the earth and the

Inga [223]

Answer:

27.5 days

0.92 month

Explanation:

$r$ = radius of the orbit of moon around the earth = $3.85\times10^{8} m$

$M$ = Mass of earth = $5.98\times10^{24} m$

$T$ = Time period of moon's motion

According to Kepler's third law, Time period is related to radius of orbit as

$T^{2} = \frac{4\pi ^{2} r^{3} }{GM}$

inserting the values, we get

$T^{2} = \frac{4(3.14)^{2} (3.85\times10^{8})^{3} }{(6.67\times10^{-11})(5.98\times10^{24})}\\T = 2.3754\times10^{6} sec$

we know that

1 day = 24 hours = 24 x 3600 sec = 86400 s

$T = 2.3754\times10^{6} sec \frac{1 day}{86400 sec} \\T = 27.5 days$

1 month = 30 days

$T = 27.5 days \frac{1 month}{30 days} \\T = 0.92 month$

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2 years ago