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Veseljchak [2.6K]
2 years ago
9

A student pushes a 51.5 kilogram bookshelf across a smooth floor with a net force of 67 N.

Mathematics
1 answer:
iren [92.7K]2 years ago
7 0

The acceleration of the bookshelf is equal to 1.30 m/s^2

<u>Given the following data:</u>

  • Mass of bookshelf = 51.5 kilogram
  • Net force = 67 Newton

To determine the acceleration of the bookshelf, we would apply Newton's Second Law of Motion:

Newton's Second Law of Motion states that the acceleration of an object is directly proportional to the net force acting on the object while being inversely proportional to its mass.

Mathematically, Newton's Second Law of Motion is given by this formula;

Acceleration = \frac{Net\;force}{Mass}

Substituting the given parameters into the formula, we have;

Acceleration = \frac{67}{51.5}

Acceleration = 1.30 m/s^2

Read more on net force here: brainly.com/question/1121817

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A certain fraction is greater than 2. The denominator is 8. What must be true about the numerator?
Volgvan

Answer:

The numerator must be greater than 16

Step-by-step explanation:

We are told that a certain fraction is greater than 2. Thus, if the numerator and denominator are x and y respectively, then we have;

x/y > 2

We are further told that the denominator is 8.

Thus;

x/8 > 2

Multiply both sides by 8 to give;

x > 16

Thus,the numerator must be greater than 16.

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Step-by-step explanation:

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3 years ago
Help Me With This Question Please!
Andrej [43]

Answer:

∠AOB = 120°

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Step-by-step explanation:

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Substitute the X

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∠BOD = ∠AOB + ∠DOA ≡

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Step-by-step explanation:

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