2 years ago

How does heat affect the thermal energy of an object that is colder than the qir

Physics

1 answer:

podryga [215]2 years ago

4 0

Answer:

the correct answer is B

Explanation:

thermal energy makes heat increase.

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Modern atomic theory states that atoms are neutral. how is this neutrality achieved in atoms? having more neutrons than protons

kolezko [41]

The answer is having fewer neutrons than protons or electrons.

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3 years ago

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5. What is the density of 4.5 mL of a liquid that has a mass of 1.3 grams?

antoniya [11.8K]

Answer:

A. 0.289g/mL

Explanation:

Using the equation for density which is d = m/v or density = mass/volume, we input 1.3g/4.5mL and get 0.289g/mL.

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2 years ago

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The gravitational acceleration is 9.81 m/s2 here on Earth at sea level. What is the gravitational acceleration at a height of 35

azamat

To solve this problem it is necessary to apply the definition of severity of Newtonian laws in which it is specified that gravity is defined by

$g= \frac{GM}{R^2}$

Where

G= Gravitational Constant

M = Mass of Earth

R= Radius from center of the planet

According to the information we need to find the gravity 350km more than the radius of Earth, then

$g_{ss} = \frac{GM}{R+h^2}$

$g_{ss} = \frac{6.67*10^{-11}*5.972*10^{24}}{(6371*10^3+350*10^3)^2}$

$g_{ss} = 8.82m/s^2$

Therefore the gravitational acceleration at 350km is $8.82m/s^2$

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3 years ago

Can u anser 5,6 on the picture

beks73 [17]

Answer: Number 6 is Periods

Explanation:

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2 years ago

When atoms _____, they break down into atoms of different elements and release energy.

SCORPION-xisa [38]

Answer:

It may be combine?

Do you have multiple choice i can see?

Explanation:

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