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Nutka1998 [239]
3 years ago
12

Noㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤ

Physics
2 answers:
nekit [7.7K]3 years ago
7 0
Yes stinky AKAKKWKWKSIEIEEJJDJDI
GREYUIT [131]3 years ago
4 0

Answer:

?????...............

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The weight of a box is found to be 30 N. What is the approximate mass of the box?
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The mass of the box would be 30!
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A group of rescue workers is rescuing a dog from a condemned building. Due to demolition, the building has no stairs leading to
zaharov [31]

Answer:

Minimize the elevation or jump distance

Explanation:

The only action that minimizes, the impact force is to reduce as much as possible the height of the jump, the dog, ie the height from the jump point of the building. Since at the time of the jump its speed will increase every second at the rate of 9 [m/ s], that is this low effect of the gravitational acceleration of 9 [m/s^2]

v_{f}=\sqrt{2*g*h}

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g = gravity [m/s^2]

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As we can see while there is higher height, at a higher speed will impact the ground.

6 0
4 years ago
The gravitational force between two objects that are 2.1 times 10^-1 m apart is 3.2 times 10^-6 N. If the mass of one object is
Shtirlitz [24]

Answer:

Mass of the other object is 38.45 kg.

Explanation:

Given:

The gravitational force between two objects is, F=3.2\times 10^{-6} N

Mass of one object is, m_{1}=55\ kg

Distance between the objects is, r=2.1\times 10^{-1}\ m

Gravitational constant is, G =6.674\times 10^{-11}\ m^3 kg^{-1}s^{-2}

Let the mass of the other object be m_{2}\ kg

Gravitational force is given as:

F=\frac{Gm_1m_2}{r^2}

Plug in the given values and solve for m_2. This gives,

3.2\times 10^{-6}=\frac{6.674\times 10^{-11}\times 55\times m_2}{(2.1\times 10^{-1})^2}\\3.2\times 10^{-6}=\frac{6.674\times 10^{-11}\times 55\times m_2}{0.0441}\\3.2\times 10^{-6}=8.3236\times 10^{-8}m_2\\m_2=\frac{3.2\times 10^{-6}}{8.3236\times 10^{-8}}= 38.45\ kg

Therefore, the mass of the other object is 38.45 kg.

3 0
4 years ago
Please help... <br> !!!!!!!
Scilla [17]

Answer:

1) C. The precise location of weather-related phenomena

2) C. It shows that the galaxies are moving farther away.

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1) The global positioning system can be used in many ways, like in navigation, mapping and surveying the land. It is also used to observe the small changes taking place in the movement of objects on earth. They are usually used to study earthquakes.

2) When light from the galaxies is shifted towards the longer wavelengths, it is called red shift. When light shifts towards the shorter wavelengths, it is called blue shift. Big bang theory states how the primordial universe started expanding from a hot and dense singularity, in the process of evolution of the universe.

The  universe is expanding always. Galaxies that are a part of the universe keep expanding and move farther away from each other. The galaxies that are very far off appear to  move much faster than the nearby galaxies.

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3 years ago
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