3 years ago

Which of the following is a sign of Anorexia Nervosa?

1 answer:

4 0

B is the correct answer because anorexia nervosa is an eating disorder in which the victim refrains from eating due to body image insecurities.

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Which of the following is a function of a flower? a. attract animals c. attract bugs b. disperse pollen d. all of the above

Ivanshal [37]

the answer is all of the above

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3 years ago

An infinite plane of charge has a surface charge density of 5 µC/m2 . How far apart are the equipotential surfaces whose potenti

Lostsunrise [7]

Answer:

Distance in mm will be 0.3718 mm

Explanation:

We have given charge surface charge density $\rho _s=5\mu c/m^2=5\times 10^{-6}\mu c/m^2$

We know that electric field due to surface charge density is given by

$E=\frac{\rho _S}{2\epsilon _0}=\frac{5\times 10^{-6}}{2\times 8.85\times 10^{-12}}=2.824\times 10^5Volt/m$

We have given potential difference V = 105 volt

We know that potential difference is given by $V=Ed$

So $105=2.824\times 10^5\times d$

$d=37.181\times 10^{-5}m=0.3718mm$

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3 years ago

Một sóng cơ học có tần số 50hz lan truyền dọc theo một sợi dây rất dài biết rằng sau 5 giây sóng truyền được 1 đoạn 25m dọc theo

Oliga [24]

Answer:

10 cm

Explanation:

Được

Tần số = 50 hertz

Khoảng cách đã đi = 25 m

Thời gian đi quãng đường 25 m = 5 giây

Tốc độ của sóng = 25/5 = 5 mét trên giây

Như chúng ta biết

Bước sóng = Vận tốc / tần số

Bước sóng = 5 mét trên giây / 50 trên giây

Bước sóng = 0,1 m = 10 cm

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3 years ago

A ) Find the current through the 20 A resistor.

Vadim26 [7]

Answer:

Power is associated by many people with electricity. Knowing that power is the rate of energy use or energy conversion, what is the expression for electric power? Power transmission lines might come to mind.

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3 years ago

Given the two sets, which statement is true?<br><br> A = {1, 2}<br> B = {1, 2, 3, 4}

Mnenie [13.5K]

What are the two sets? I only see the two answers?

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3 years ago