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A 5.00-kg object is lifted from the floor to a shelf. The object’s new gravitational potential energy relative to the floor is 102 J. What is the height of the shelf?

If you lift a 15-N weight vertically 30 m above the ground, you are

The kinetic energy of a pendulum is least

“Ice that burns” is better known as

What is the significance of the title, Trifles? When Mr. Hale utters the line “Well, women are used to worrying over trifles,” we are clearly supposed to register the word “trifles” as important. What does Mr. Hale mean by this statement? What does this line reveal about the point Glaspell might have been trying to make with the title? 

What would you identify as the key theme(s) of “Barn Burning”? What is the main conflict the main character must face, and how does it align with the theme of the story? Explain. 

What is the Iceberg Principal, and how is it related to “Hills Like White Elephants”? Name another work from our assigned readings that might reflect this type of writing, and explain how. 

Please match the following with the appropriate term.

Please identify the following as engineering controls or work practice controls.

Please match the following descriptions with the appropriate OSHA Rule