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4 years ago

9

my queen I must now this so i can learn the way How is the death of a very large star different from the death of smaller stars?

1 answer:

stealth61 [152]4 years ago

4 0

I'm not even gonna answer.

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Edrei went to the doctor for her annual checkup. The

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A

Explanation:

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2 years ago

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I had hip replacement surgery and got gout in my toe. what do i do?

Rama09 [41]

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3 years ago

The hypothalamus uses releasing hormones to regulate secretions of tropic hormones from the

OLga [1]

The answer would be: anterior pituitary

Hypothalamus secretes many hormones that will bind to anterior pituitary and makes it secretes many kinds of tropic hormones. Anterior pituitary able to secrete gonadotropic, somatotropic, thyrotropic, lactotropic, or corticotropic hormones. All these hormones will have to travel to their specific endocrine glands.

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4 years ago

It is a social consequence of global fuel dependence.

Zolol [24]

I think the correct answer from the choices listed above is option B. The social consequence of global fuel dependence is the <span>increase in atmospheric pollution levels</span><span>. This is because the use of these fuels cause the production of harmful gases which are emitted to the atmosphere directly which will really affect the people. </span>

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3 years ago

A denisty of a bottle weighs 0.25N when empty & 0.75N when filled with water & 0.65N when filled with alcohol. Calculate

Ulleksa [173]

Answer:

$0.05\times 10^{-3}\ \text{m}^3$

$800\ \text{kg/m}^3$

Explanation:

$W_b$ = Weight of bottle = 0.25 N

$W_w$ = Weight of water = $0.75-0.25=0.5\ \text{N}$

g = Acceleration due to gravity = $10\ \text{m/s}^2$

$\rho_w$ = Density of water = $1000\ \text{kg/m}^3$

Mass of water

$m_w=\dfrac{W_w}{g}\\\Rightarrow m_w=\dfrac{0.5}{10}\\\Rightarrow m_w=0.05\ \text{kg}$

Volume is given by

$V_w=\dfrac{m_w}{\rho_w}\\\Rightarrow V_w=\dfrac{0.05}{1000}\\\Rightarrow V_w=0.05\times 10^{-3}\ \text{m}^3$

Volume of the bottle is $0.05\times 10^{-3}\ \text{m}^3$ .

This means that the alcohol will take the same amount of volume.

$W_a$ = Weight of alcohol = $0.65-0.25=0.4\ \text{N}$

Mass of alcohol

$m_a=\dfrac{0.4}{10}\\\Rightarrow m_a=0.04\ \text{kg}$

Density is given by

$\rho=\dfrac{m_a}{V_w}\\\Rightarrow \rho=\dfrac{0.04}{0.05\times 10^{-3}}\\\Rightarrow \rho=800\ \text{kg/m}^3$

Density of alcohol is $800\ \text{kg/m}^3$

7 0

3 years ago