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zloy xaker [14]
3 years ago
10

PLEASE HELP ASAP!!!!!!! What is the measure of the gravitation force exerted on an object?

Physics
1 answer:
grin007 [14]3 years ago
7 0

Answer:

Weight

Explanation:

The gravitational force between a mass and the Earth is the object's weight. Mass is considered a measure of an object's inertia, and its weight is the force exerted on the object in a gravitational field. On the surface of the Earth, the two forces are related by the acceleration due to gravity: Fg = mg.

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Please help, last question i can ask, brainest if correct
Ugo [173]

Answer:

C. Athletic performance peaks during teen years

Explanation:

According to me this is the right answer because in A it is actually men’s athletic ability that peeks later than women. In B, it is kinda obvious that is not true.

Hope this helps!

7 0
3 years ago
Which of the following is an electric potential?
Dennis_Churaev [7]

Answer:

D. 2.5 V

Explanation:

Electric potential of a point in space is a scalar magnitude that allows a measurement of the electric field at that point to be obtained through the electrostatic potential energy that a electric charge would acquire if it is placed at that point.

8 0
3 years ago
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Which statement is true for light passing into a medium that is less optically dense than the first medium through which it pass
BigorU [14]

Answer:

The correct option is;

The index of refraction of the second medium is lower

Explanation:

The index of refraction of a material indicates the magnitude of the optical density of a material. The index of refraction or the refractive index, n, are indices (ratio) of the speed of light through an optically dense medium relative to the speed of light through a vacuum.

The definition of the refractive index is the number of times light travelling through a medium would be slower than light travelling through vacuum

Therefore, the index of refraction of a second medium that is less optically dense than a first medium from which light originates and travels through it would be lower than the index of refraction of the first medium

5 0
2 years ago
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An airplane flies at 400 km/h in a 100km/h hurricane crosswind. Find the resultant speed of the plane.
kow [346]
I think the airplan flies in same speed 400
5 0
3 years ago
suppose the ball has the smallest possible frequency that allows it to go all the way around the circle. what tension in the str
tatyana61 [14]

The complete question is missing, so i have attached the complete question.

Answer:

A) FBD is attached.

B) The condition that must be satisfied is for ω_min = √(g/r)

C) The tension in the string would be zero. This is because at the smallest frequency, the only radially inward force at that point is the weight(force of gravity).

Explanation:

A) I've attached the image of the free body diagram.

B) The formula for the net force is given as;

F_net = mv²/r

We know that angular velocity;ω = v/r

Thus;

F_net = mω²r

Now, the minimum downward force is the weight and so;

mg = m(ω_min)²r

m will cancel out to give;

g = (ω_min)²r

(ω_min)² = g/r

ω_min = √(g/r)

The condition that must be satisfied is for ω_min = √(g/r)

C) The tension in the string would be zero. This is because at the smallest frequency, the only radially inward force at that point is the weight(force of gravity).

5 0
3 years ago
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