2 years ago

Nearly of women who had recently given birth screen positive for peripartum onset depression.

Physics

2 answers:

andreyandreev [35.5K]2 years ago

7 0

B because the peripartum is the onset depression

vodomira [7]2 years ago

7 0

The answer is B, 45%

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natima [27]

Answer:

The force of friction that acts on him is

$F_k=567N$

Explanation:

The firefighter with an acceleration of 3m/s^2 take the gravity acceleration as 10m/s^2 isn't necessary to know the coefficient of friction just to know the force of friction:

$F=m*a$

$F=F_w-F_k$

$m*a=F_w-F_k$

$F_w=81kg*10m/s^2=810N$

Sole to Fk

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$F_k=810N-243N$

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2 years ago

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due to the commutative property of multiplication

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so, the correct answer will be 2×45 = 90 units.

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2 years ago

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Explanation:

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