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kirill115 [55]
3 years ago
13

A force is an effort needed to change the

Physics
1 answer:
tatyana61 [14]3 years ago
8 0

Answer:

direction, speed, and shape of a body

Explanation:

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The image illustrates that as the distance between two objects increases, the force of gravity ____________. A) decreases. B) in
emmainna [20.7K]
The image is missing (however it's not necessary to solve the problem).

The correct answer is A) decreases, because the gravitational force is inversely proportional to the square of the distance. In fact, the magnitude of the gravitational force between two object of mass M and m, at a distance d one from each other, is
F=G \frac{Mm}{d^2}
where G is the gravitational constant. As can be seen from the formula, if the distance d between the two object increases, the intensity of the force decreases.
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4 years ago
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PLEASE HELP!!!!! which statements correctly conpare the masses of protons,neutrons,and electrons​
Anastasy [175]
Protons and neutrons have similar mass
Electrons are smaller then a proton or a neutron
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3 years ago
A trait of an organism that helps it survive in its environment is calles
kompoz [17]
Answer is adaptation. An organism develops a trait over time to help survive in its environment called an adaptation. You could take a giraffe for example. A long time ago giraffes actually had short necks, but now since their food is higher they soon developed a longer neck and this is what we now see in the present. This goes for any artic animal. Polar bears and seals have a white fur adaptation to help them blend in with their environment. A chameleon changes colors in order to hide from predators and sneak up on prey. These are all adaptations
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3 years ago
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When sanitizing dishcloths or cutting boards at home using chlorine bleach, how much bleach should be added, per quart of water?
ahrayia [7]

When using chlorine bleach, the proper amount for one gallon of water is 8 ounces, or one cup. Now, since there's 4 quarts in a gallon,divide the 8 ounces by 4. You get 2. So you should put 2 ounces (or 1/4 cup) of chlorine bleach in a quart of water. Hope this helps!

4 0
3 years ago
As a woman walks, her entire weight is momentarily placed on one heel of her high-heeled shoes. Calculate the pressure exerted o
astraxan [27]

Answer:

3.6 x 10⁶ Pa

Explanation:

A = Area of the heel = 1.50 cm² = 1.50 x 10⁻⁴ m²

m = mass of the woman = 55.0 kg

g = acceleration due to gravity = 9.8 m/s²

Force of gravity on the heel is given as

F = mg

Inserting the values

F = (55) (9.8)

F = 539 N

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P = \frac{F}{A}

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P = 3.6 x 10⁶ Pa

6 0
3 years ago
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