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DochEvi [55]
4 years ago
15

Which activity demonstrates the lowest level of intensity? sprinting to catch a bus lying on the couch playing video games walki

ng to a friend’s house raking leaves
Physics
2 answers:
Olegator [25]4 years ago
8 0
<span>lying on the couch


:)

</span>
Katen [24]4 years ago
7 0

lying on the couch playing video games

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How can water boil without heat?​
kaheart [24]

Answer:

Put water at room temperature into a vacuum chamber and begin removing the air. Eventually, the boiling temperature will fall below the water temperature and boiling will begin without heating. Or if you want to be easy but messy, add dry ice to a bowl of water and watch how the water starts to boil.

3 0
3 years ago
calculate the density of a neutron star with a radius 1.05 x10^4 m, assuming the mass is distributed uniformly. Treat the neutro
Orlov [11]

To develop this problem it is necessary to apply the concepts related to the proportion of a neutron star referring to the sun and density as a function of mass and volume.

Mathematically it can be expressed as

\rho = \frac{m}{V}

Where

m = Mass (Neutron at this case)

V = Volume

The mass of the neutron star is 1.4times to that of the mass of the sun

The volume of a sphere is determined by the equation

V = \frac{4}{3}\pi R^3

Replacing at the equation we have that

\rho = \frac{1.4m_{sun}}{\frac{4}{3}\pi R^3}

\rho = \frac{1.4(1.989*10^{30})}{\frac{4}{3}\pi (1.05*10^4)^3}

\rho = 5.75*10^{17}kg/m^3

Therefore the density of a neutron star is 5.75*10^{17}kg/m^3

4 0
3 years ago
A combination reaction is when two or more _____ combine to form one product. A decomposition reaction is when a substance break
Leya [2.2K]

Answer:

elements

Explanation:

4 0
4 years ago
Read 2 more answers
How many poles do you expect to see in your magnet? Look around your room. Make a list of 5 items that might be attracted to the
jeyben [28]

Answer:

1.1 Two poles: North and South Poles.

1.2 - Staple pin - Nail - Tip of my phone charger - Metal keys - Cloth Hanger

1.3 - Wooden bed cot - Plastic pen - Game pad - Wooden shelf - Paper - A T-shirt

1.4 Yes

1.5 No

5 0
3 years ago
CALCULATE THE DECELERATION OF A RUNNER
AlexFokin [52]

Answer:

a =  \frac{ {v}^{2} -  {u}^{2}  }{2s}  \\ or \\  a =  \frac{v - u}{t}  \\ say \: a =  - 10m. {s}^{ - 2}  \\  \therefore \: deceleration =  - 10m. {s}^{ - 2}

5 0
3 years ago
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