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Anarel [89]
3 years ago
13

What are some mixtures in a classroom

Physics
1 answer:
Stells [14]3 years ago
7 0
Desks, chairs, blackboards almost anything in a classroom is a solid mixture so u can list whatever you want. Hope that helped!
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When Sweden is playing Denmark, it is SWE-DEN. The remaining letters, not used, is DEN-MARK
iren [92.7K]
Yes it is! It would be SWE vs. DEN
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4 years ago
How do you state a hypothesis?
ipn [44]
Start with saying “If...” and then say “the the....”
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A 2.0-kg silverware drawer does not slide readily. The owner gradually pulls with more and more force, and when the applied forc
topjm [15]

Answer: 0.45

Explanation:

First note that the body that causes the body to move is its moving force (Fm) which is 9.0N

Since the mass of the body is 2.0kg, the weight will be;

W= mg = 2×10

W= 20N

For static body, the frictional force (Ff) acting on the body is equal to the moving force (Fm) since both forces acts along the horizontal on the body.

Ff = Fm = 9.0N

The normal reaction (R) on the body will also be equal to its weight(W) since weight acts downwards and the reaction acts in the opposite direction (upwards).

R = W = 20N

Ff = nR taking 'n' as coefficient of static friction between the drawer and the cabinet.

9.0 = 20n

n = 9/20

n = 0.45

7 0
3 years ago
In the parts that follow select whether the number presented in statement A is greater than, less than, or equal to the number p
OleMash [197]

Answer:

1)   A> B, 2)  A = B,  3)    A> B

Explanation:

When a figure is given the number of significant figures to determine the precision or uncertainty the number

1) the uncertainty in the number with three significant figures is less than the number with two significant figures

statement A 2.6

statement B 2.57

        A> B

2) decalration A

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with two figures it remains

             5.7

statement B

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 A = B

3) for the product the result is with the number that has the least significant figures

statement A

rectangles area

   2.536 * 1.4 = 3.6

  statement B

    2.536 * 1.41 = 3.58

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7 0
3 years ago
Which of the following bounces light in another direction?
Natali [406]

Answer:

I do believe the answer is D. prism

3 0
3 years ago
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