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Zigmanuir [339]
3 years ago
8

Does the term indivisible still describe the atom

Physics
1 answer:
igomit [66]3 years ago
4 0
No <span>The atom is composer of neutrons, protons and electrons. </span>
<span>So it is divisible in smaller pieces.</span>
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Ok, so I've answered this question but I really need someone to just check through it because I have this feeling that I've done
olga_2 [115]
I believe you are correct
4 0
3 years ago
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In 4 -5 sentences, summarize the science of the sport of curling and how it relates to friction
zalisa [80]
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5 0
3 years ago
Objects with masses of 130 kg and a 430 kg are separated by 0.300 m.(a) Find the net gravitational force exerted by these object
fredd [130]

Answer

given,

mass of object

m₁ = 130 Kg

m₂ = 430 Kg

distance between them = 0.3 m

a) net force when 35 kg is place in between them

   F = \dfrac{GMm}{R^2}

now,

   F = - \dfrac{6.67 \times 10^{-11}\times 130 \times 30}{0.15^2} +\dfrac{6.67 \times 10^{-11}\times 430 \times 30}{0.15^2}

   F = 3.12 \times 10^{-5}\ N

   Direction of force will be toward the mass of 430 Kg

b) position where force will be zero

 F =-\dfrac{6.67 \times 10^{-11}\times 130 \times 30}{(0.3-x)^2} +\dfrac{6.67 \times 10^{-11}\times 430 \times 30}{x^2} = 0

 -\dfrac{130}{(0.3-x)^2} +\dfrac{430}{x^2} = 0

 x^2- 0.6 x + 0.09=\dfrac{130}{430}x^2

 0.7 x^2- 0.6 x + 0.09 =0

solving the above equation

  x = 0.1936 m

the distance of third mass will be at x = 0.1936 m from 430 Kg mass.

7 0
3 years ago
An Elevator of mass 200 kg travels upwards at constant velocity. What is the tension in the cables?
I am Lyosha [343]

The tension in the cables as the elevator travel upwards is 1,960 N.

The given parameters:

  • Mass of the elevator, m = 200 kg

<h3>Newton's second law of motion;</h3>

Newton's second law of motion states that the force applied to an object is directly proportional to the product of mass and acceleration of the object.

The tension in the cables as the elevator travel upwards is calculated by applying Newton's second law of motion as shown below;

T = ma + mg

where;

  • a is the acceleration of the elevator
  • g is the acceleration due to gravity

At constant velocity, acceleration is zero (a = 0)

T = m(0) + mg

T = mg

T = 200 x 9.8

T= 1,960 N

Thus, the tension in the cables as the elevator travel upwards is 1,960 N.

Learn more about Newton's second law here: brainly.com/question/3999427

8 0
2 years ago
How do variations in electronegativity result in the unequal sharing of electrons in polar molecules?
9966 [12]

Answer:

Variations in electronegativity result in the unequal sharing of electrons in polar molecules because when one atom is more electronegative than the other, it becomes more polar than the other atom. ... Methane bonds are covalent because they share carbon and hydrogen valence electrons.xplanation:

7 0
3 years ago
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