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masha68 [24]
2 years ago
14

Which is an action/reaction force pair? check all that apply.

Physics
1 answer:
Vesna [10]2 years ago
3 0

Answer:

According to Newton's third law, for every action force there is an equal (in size) and opposite (in direction) reaction force. Together, these two forces exerted upon two different objects form the action-reaction force pair.

Explanation:

Sana makatulong ^_^

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If racing alcohol has a mass density of 790kg/m3, what mass will a 1250-litre tank hold?
Marina86 [1]
Density = Mass per unit Volume
that is,
D = m / V

Now,
We've been provided with,

Density = 790 kg/m³
Volume = 1250 litres = 1.250 m³

Now,
density = \frac{mass}{volume} \\ 790 = \frac{m}{1.250} \\ 790 \times 1.250 = m \\ m = 790 \times 1.250 \\ m = 790 \times \frac{1250}{1000} \\ m = 790 \times \frac{5}{4} \\ m = 197.5 \times 5 \\ m = \frac{1975}{10} \times 5 \\ m = \frac{1975}{2} = 987.5 \: kg

987.5 kg of mass will a 1250 litres tank will hold.

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3 0
3 years ago
The speed of light is now defined to be c-2.99792458 x 10^8 m/s
Harman [31]
Yes, that statement is loaded with veracity, and is true as well. Did you have a question to ask ?
8 0
2 years ago
Read 2 more answers
when Jackson throws a baseball in a straight path, what two forces cause the ball to eventually stop moving?
nikklg [1K]
Resistance (from the air) and gravity
3 0
3 years ago
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The table lists the mass and charge of a proton and a neutron.
Olegator [25]

The gravitational force is much larger than the electrical force for any distance between the particles.

Explanation:

The gravitational force between two particles is given by:

F=\frac{Gm_1 m_2}{r^2}

where

G is the gravitational constant

m1, m2 are the masses of the two particles

r is the separation between the two particles

The electric force between two particles is given by:

F=\frac{kq_1 q_2}{r^2}

where

k is the Coulomb's constant

q1, q2 are the charges of the two particles

r is the separation between the two particles

In this problem, we are comparing the gravitational force and the electric force between a proton and a neutron.

We must immediately notice that the charge of the neutron is zero, since it is electrically neutral:

q = 0

This means that the electric force between the proton and the neutron is always zero, regardless of their distance. And therefore, since their masses is not zero (and the gravitational force is never zero), the correct answer is

The gravitational force is much larger than the electrical force for any distance between the particles.

Learn more about gravitational force:

brainly.com/question/1724648

brainly.com/question/12785992

About electrical force:

brainly.com/question/8960054

brainly.com/question/4273177

#LearnwithBrainly

4 0
3 years ago
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Jenavius placed a marshmallow in the microwave to make a smore for desert. The marshmallow expanded when it was heated. How can
Marat540 [252]

Answer: A) As the marshmallow was heated the particles moved faster increasing its volume.

Explanation: When heat is supplied to the marshmallows, the kinetic energy of the marshmallows increase and thus they start moving randomly and thus the molecules occupy more volume and volume increases.

As we know kinetic energy is directly related to temperature, thus as temperature is increased, the kinetic energy of the molecules also increase.

K.E=\frac{3}{2}RT

R = gas constant

T= temperature

3 0
3 years ago
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