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son4ous [18]
3 years ago
14

The gravitational force between two objects increases as

Physics
2 answers:
Naddika [18.5K]3 years ago
7 0

Answer:

Option C.

The gravitational force between two objects is proportional to the product of their mass and inversely proportional to the distance between the two masses.

The formula of the gravitational force F_g between two objects of mass m_1 and m_2 that are separated by a distance r is:

F_g = G\frac{m_1m_2}{r^2}

Where G is the gravitation constant.

You can see that as the masses increase, it also increases the gravitational force. But as the distance between the masses increases, the gravitational force decreases.

Therefore the correct option is the C "mass increases or distance decreases"

dolphi86 [110]3 years ago
5 0

The gravitational force between two objects increases as mass increases or distance decreases.<em> (C) </em>

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KATRIN_1 [288]
In short, and in general:

Advantages

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3 years ago
Why do covalent and ionic bonds form?
nevsk [136]

Answer:

Ionic bonds form when a nonmetal and a metal exchange electrons, while covalent bonds form when electrons are shared between two nonmetals. An ionic bond is a type of chemical bond formed through an electrostatic attraction between two oppositely charged ions.

Explanation:

hope this helps!

5 0
3 years ago
A cart traveling at 0.3 m/s collides with stationary object. After the collision, the cart rebounds in the opposite direction. T
miv72 [106K]

Answer:

C.   In the first collision has twice the momentum as when it stays still ( second colllions)

Explanation:

To see which statement is correct, it is best to solve the problem, the momentum is equal to the variation of the moment

     I = Δp = m vf - m v₀

     I = m (vf -v₀)

Case 1. In car bounces, the initial speed is 0.3 m / s, say that this direction is positive, when the magnitude of the speed bounces it remains constant, but its direction is reversed (vf = -0.3 m / s)

    I₁ = m (-0.3 - 0.3)

    I₁ = -0.6 m

Case 2. The expensive one that still after the crash so its speed is zero (vf = 0)

    I₂ = m (0 - 0.3)

    I₂ = -0.3 m

Let's calculate the relationship between the two impulses

     I₁ / I₂ = -0.6m / -0.3m

     I₂ / I₂ = 2

When it bounces it has twice the momentum as when it stays still

Now let's analyze the answers:

A.   False The momentum changes

B. False. The momentum is less in the second collision

C. True.  The momentum is double in this collision

D. False. Can be calculated, because the mass is the same throughout the exercise and is eliminated in the equations

E. False.  When they say bounces it implies the same speed with the opposite direction

4 0
3 years ago
A 6.0-kg ball is sliding to the right at 25.0m/s and strikes a second ball (15-kg) that is initially at rest head-on. After the
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Answer:

15 m/s to the right

Explanation:

Let's say right is positive and left is negative.

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5 0
3 years ago
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enot [183]

Answer:

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Plank.

Body weight squats.

Walking lunges.

Pushups.

Situps

Explanation: To do these exercises you must sustain your muscles for a long time. The more you endure it, the more muscular endurance you have.

5 0
3 years ago
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