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Usimov [2.4K]
3 years ago
13

When falling through the air, which of the following objects will hit the ground first?

Physics
2 answers:
Zepler [3.9K]3 years ago
8 0

Answer:

A PENNY

Explanation:

JUST TOOK QUIZ

Pavel [41]3 years ago
5 0

Answer:

a penny

Explanation:

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Compare the physical sciences to the life sciences.
Elden [556K]

1.Life science involves fields of discipline catering to living organisms such as we humans while physical science caters to non-living organisms.

2.Life science has more fields of discipline than physical science.

3.Physical science relies on laws and theories to explain concepts while life science relies on biological explanations and can also rely on theories.

6 0
3 years ago
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Which of the following are true about a "simple compressible system"? It cannot be a mixture of different substances (e.g. oxyge
fomenos

Explanation:

The volume of a simple compressible system is not fixed. At a state of equilibrium, there should be uniformity in the entire system.

From the question we have here, these are the correct options:

1. It cannot be a mixture of different substances (e.g. oxygen and nitrogent)

2. It can be composed of any phases of a substance: solid, liquid, and/or gas

3. It's state is specified if given two independent, intensive thermodynamic properties.

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3 years ago
Two planets have the same surface gravity, but planet B has twice the mass of planet A. If planet A has mass m, what is the mass
strojnjashka [21]
If B has twice the mass the answer is 2M
5 0
2 years ago
It is easy..plz help!
Aleks04 [339]
No because point A has to be higher for more KE to push the object and make the look
3 0
3 years ago
How much heat energy must be added to 52kg Of water at 68°F to raise the temperature to 212°F? The specific heat capacity for wa
Anna [14]

Answer:

The amount of energy added to rise the temperature Q = 17413.76 KJ

Explanation:

Mass of water = 52 kg

Initial temperature T_{1} = 68 °F = 20° c

Final temperature T_{2} = 212 °F = 100° c

Specific heat of water  C = 4.186 \frac{KJ}{kg c}

Now heat transfer Q = m × C × ( T_{2}  - T_{1} )

⇒ Q = 52 × 4.186 × ( 100 - 20 )

⇒ Q = 17413.76 KJ

This is the amount of energy added to rise the temperature.

4 0
2 years ago
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