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astra-53 [7]
3 years ago
12

Which is a main cause of speciation? A. Organisms with beneficial traits tend to survive. B. Members of a species can mate and p

roduce fertile offspring. C. Populations of a species become isolated from one another. D. More offspring are produced than there are resources to support them. Please answer ASAP
Physics
1 answer:
Svetradugi [14.3K]3 years ago
8 0
C would be the correct answer for this:)
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Answer:

Gases

Explanation:

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Electrically neutral objects become___when they or lose electrons.
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Grindstone: Rotational Dynamics and Kinematics You have a grindstone (a disk) that is 133.0 kg, has a 0.635 m radius, and is tur
Colt1911 [192]

Answer:

Ff = 839.05 N

Explanation:

We can use the equation:

Ff = μ*N

where <em>N</em> can be obtained as follows:

∑ Fc = m*ac   ⇒   N - F = m*ac = m*ω²*R    ⇒  N = F + m*ω²*R

then if

F = 32 N

m = 133 Kg

R = 0.635 m

ω = 95 rev /min = (95 rev / min)(2π rad / 1 rev)(1 min / 60 s) = 9.9484 rad /s

we get

N = 32 N + (133 Kg)*(9.9484 rad /s)²*(0.635 m) = 8390.53 N

Finally

Ff = μ*N = 0.10*(8390.53 N) = 839.05 N

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3 years ago
A sled starts off with an initial velocity of 8 m/s and slows down to 2 m/s after 3 seconds. What was its acceleration?
melomori [17]

Answer:

-2m/s

Explanation:

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2 years ago
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