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Maru [420]
2 years ago
15

*5. What is the mass number of a magnesium atom, Mg that has 12 neutrons?

Physics
1 answer:
elena-s [515]2 years ago
5 0

Answer:

24

Explanation:

24.305 of atomic mass has 12 neutrons

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Identify the phyla of the organisms on the basis of following distinct characteristics:
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What will happen to the force between 2 charged objects if the mass of one of the charges is doubled and the distance between th
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Which of the following statements about planetary satellites is true? all planetary satellites are as large as our moon or bigge
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6 0
3 years ago
Read 2 more answers
When you lift a bowling ball with a force of 61.1 N, the ball accelerates upward with an acceleration a. If you lift with a forc
gtnhenbr [62]

Answer:

the weight of the ball is w = 51.94 N ( mass = 5.3 kg)

Explanation:

Following Newton's second law:

net force = mass * acceleration = weight/gravity * acceleration

then denoting 1 and 2 as the first and second lift

F₁ - w= w/g *a₁

F₂ -w = w/g *a₂ = w/g * 2.07a

dividing both equations

(F₂- w)/(F₁ -w)= 2.07

(F₂- w) = 2.07 * (F₁ -w)

1.07*w = 2.07*F₁ - F₂

w = (2.07*F₁ - F₂ )/ 1.07

replacing values

w = (2.07*61.1 N - 70.9 N )/ 1.07  = 51.94 N

then the weight of the ball is w = 51.94 N ( mass = 5.3 kg)

7 0
2 years ago
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