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3 years ago

To maintain your body temperature your body converts chemical potential energy into thermal energy true or false

Physics

2 answers:

max2010maxim [7]3 years ago

7 0

It's is True that your body temperature your body converts chemical potential energy into thermal energy

Alexus [3.1K]3 years ago

3 0

Answer:

The Given Statement is TRUE.

Potential energy is energy possed by an object according to its position with respect to others.

Thermal energy is energy that object gets from heat.

Body converts the energy stored in the food into thermal energy by digesting the food. So, to maintain our body temperature body coverts potential energy into thermal energy.

Then this energy enters in blood and reaches the muscles and the brain and keep them functioning.

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Inside a television picture tube there is a build-up of electrons (charge of 1.602 × 10^–19 C) with an average spacing of 38.0 n

Brut [27]

The magnitude of electric field is produced by the electrons at a certain distance.

E = kQ/r²

where:
E = electric field produced
Q = charge
r = distance
k = Coulomb Law constant 9 x10^9 N. m2 / C2

Given are the following:
Q = 1.602 × 10^–19 C
r = 38 x 10^-9 m

Substitue the given:
E = $\frac{( 1.602 x 10^{-19} )( 9.0x10_{9} )}{(38x10^{-9}) ^{2} }$

E = 998.476 kN/C

8 0

3 years ago

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A vat of nitrogen at its boiling point (-196 degrees C) absorbs 384000 J of heat. How much mass of nitrogen burns off? (Unit = k

masya89 [10]

Answer:

1.92 kg of nitrogen.

Explanation:

The following data were obtained from the question:

Heat absorbed (Q) = 384000 J

Note: Heat of vaporisation (ΔHv) of nitrogen = 5600 J/mol

Next, we shall determine the number of mole of nitrogen that absorbed 384000 J.

This is illustrated below:

Q = mol·ΔHv

384000 = mole of N2 x 5600

Divide both side by 5600

Mole of N2 = 384000/5600

Mole of N2 = 68.57 moles

Next, we shall convert 68.57 moles of nitrogen, N2 to grams.

This can be obtained as follow:

Molar mass of N2 = 2 x 14 = 28 g/mol.

Mole of N2 = 68.57 moles.

Mass of N2 =..?

Mole = mass /molar mass

68.57 = mass of N2 /28

Cross multiply

Mass of N2 = 68.57 x 28

Mass of N2 = 1919.96 g

Finally, we shall convert 1919.96 g to kilograms.

This can be achieved as shown below:

1000g = 1 kg

Therefore,

1919.96 g = 1919.96/1000 = 1.92 kg.

Therefore, 1.92 kg of nitrogen were burned off.

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3 years ago

you suspect a network cable has a break in it somewhere. which tool would be best to use to determine the location of the break

34kurt

Answer:

Optical Time Domain Reflector

Explanation:

Localized the break, supplies a graphical trace of where the break occurs in order to detect high loss splice point as far as 25 miles.

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2 years ago

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The nucleus of a large atom splits and two smaller atoms are formed. Energy is released in the process. What is the name of this

Ganezh [65]

That process is called "nuclear fission".

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3 years ago

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A wrench is accidentally dropped at the top of an elevator shaft in a tall building. (a) How many meters does the wrench fall in

RUDIKE [14]

Answer:

11.25m

Explanation:

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3 years ago