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nadezda [96]
3 years ago
13

In the equation for the gravitational force between two objects, which quantity must be syuu

Physics
1 answer:
Anton [14]3 years ago
6 0

Answer:

it is    F = G(m1)(m2)/d^2

Explanation:

lol you take ed genuity too

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The electric flux through a square-shaped area of side 5 cm near a large charged sheet is found to be 3 × 10−5 N · m2 /C when th
Zanzabum

Answer:

\sigma=2.124\times 10^{-13}C/m^{2}

Explanation:

Given:

Electric Flux = 3\times10^{-5}N.m^2/C

Side of sheet = 5cm

Area of the square sheet, A= 5×5 = 25cm²=25×10⁻⁴ m²

Now

the electric flux (Φ) is given as:

\phi =EA

where, E = Electric field

or

E=\frac{\phi}{A}

substituting the values in the above equation, we get

E=\frac{3\times10^{-5}N.m^2/C}{25\times 10^{-4}}

E=0.012N/C

Now the charge density (σ) on a sheet is given as:

\sigma=2\epsilon_oE

where, \epsilon_o = Permittivity of the free space = 8.85×10⁻¹²

substituting the values in the above equation, we get

\sigma=2\times 8.85\times10^{-12}\times 0.012

\sigma=2.124\times 10^{-13}C/m^{2}

5 0
3 years ago
A projectile is launched in the horizontal direction. It travels 2.050 m horizontally while it falls 0.450 m vertically, and it
kompoz [17]

Answer:

a) 0.303 s b) 6.77 m/s c) - 2.97  m/s d) 7.39 m/s

Explanation:

horizontal distance travel = 2.050 m, vertical distance travel = 0.45 m

Using equation of linear motion

Sy = Uy t + 1/2 gt² Uy is the inital vertical component of the velocity, t is the time taken for the vertical motion in seconds, and S is the vertical distance traveled, taken downward vertical motion as negative

-0.45 = 0 - 0.5 × 9.81×t²

0.45 / (0.5 × 9.81) = t²

t = √0.0917 = 0.303 s

b) horizontal distance traveled = horizontal velocity (Ux) × t

Ux = horizontal distance traveled / t = 2.050 / 0.303 = 6.77 m/s

c) Velocity in the vertical direction can be calculated using

Vy = Uy - gt where g is negative since initial U is zero

Vy = - 9.81 × 0.303 = - 2.97  m/s

d) the magnitude of the velocity = resultant of the the two velocity

using Pythagoras theorem

the magnitude of the velocity = √ ( 6.77² + 2.97²) = 7.39 m/s

at angle = tan^-1 ( 2.97 / 6.77) =  23.69⁰

8 0
3 years ago
What happens to solar radiation when it is absorbed
Zanzabum

Answer:

Absorbed sunlight is balanced by heat radiated from Earth's surface and atmosphere. ... The atmosphere radiates heat equivalent to 59 percent of incoming sunlight; the surface radiates only 12 percent. In other words, most solar heating happens at the surface, while most radiative cooling happens in the atmosphere

8 0
2 years ago
Which two factors decrease as the kinetic energy of the particles in an object decrease
Ostrovityanka [42]

The particle temperature and the valency of the atom in the particles are the two parameters that decrease with the kinetic energy of the particles in an item.

<h3>What is temperature?</h3>

Temperature directs to the hotness or coldness of a body. In clear terms, it is the method of finding the kinetic energy of particles within an entity. Faster the motion of particles more the temperature.

Because an item possesses kinetic energy when it is moving, anything that prevents that motion will reduce the kinetic energy of the object.

A valence electron is an electron in the outermost shell associated with an atom that can experience the innovation of a chemical bond if the outer shell is not closed. Both atoms contribute one valence electron to create a shared pair.

More the valence electron more the motion of atoms results in more kinetic energy,

Hence the two factors decrease as the kinetic energy of the particles in an object will be the particle temperature and the valency of the atom in the particles.

To learn more about the temperature refer to the link;

brainly.com/question/7510619

#SPJ2

3 0
2 years ago
What is another way of saying “getting the smallest possible force”?
Dmitriy789 [7]

Answer:

MOMENTUM

Explanation:

another way of saying getting the smallest force possible is the word " MOMENTUM".

momentum is the ability to keep maintaining,incresing or itself developing to move at constant speed or to increase the speed.

7 0
3 years ago
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