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gladu [14]
3 years ago
5

Which statements are part of the safety protocol for this lab experiment? Check all that apply.

Physics
2 answers:
tekilochka [14]3 years ago
8 0

Answer:

Always wear safety goggles when performing an experiment.

Use caution when dropping objects and/or launching them into the air.

Use only the materials that your teacher provides or approves.

Check the soda bottle and its cap for cracks and chips prior to use.

Report all accidents—no matter how big or small—to your teacher.

Mazyrski [523]3 years ago
5 0

Answer:

1. Always wear a lab coat and safety goggles when performing an experiment

2. Use the right gear, such as tongs and thermal mitts, to handle hot objects

3. Check glassware, such as beakers and flasks, for cracks and chips prior to use.

Explanation:

It is in the safety section of the student guide for edge.

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4 years ago
A certain spring has a spring constant k1 = 660 N/m as the spring is stretched from x = 0 to x1 = 35 cm. The spring constant the
pantera1 [17]

(a) The equation for the work done in stretching the spring from x1 to x2 is ¹/₂K₂Δx².

(b) The work done, in stretching the spring from x1 to x2 is 11.25 J.

(c) The work, necessary to stretch the spring from x = 0 to x3 is 64.28 J.

<h3>Work done in the spring</h3>

The work done in stretching the spring is calculated as follows;

W = ¹/₂kx²

W(1 to 2) = ¹/₂K₂Δx²

W(1 to 2)  =  ¹/₂(250)(0.65 - 0.35)²

W(1 to 2)  = 11.25 J

W(0  to 3) = ¹/₂k₁x₁² + ¹/₂k₂x₂² + ¹/₂F₃x₃

W(0  to 3) = ¹/₂(660)(0.35)² + ¹/₂(250)(0.65 - 0.35)² + ¹/₂(105)(0.89 - 0.65)

W(0  to 3) = 64.28 J

Learn more about work done here: brainly.com/question/25573309

#SPJ1

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2 years ago
The three basic economic questions societies face are (1) what goods and services to produce, (2) how to produce those goods and
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For whom are goods and services to be produced? In other words, who gets what?

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For whom should we produce it?

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