On the index card , write: your name your preferred email address your phone number (cell preferred) the last Math class you took

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Welcome to Physics&amp; 122!. On the index card , write: your name your preferred email address your phone number (cell preferred) the last Math class you took the last Science class you took the last English class you took your major/intended career.

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Presentation Transcript

Welcome to Physics& 122!

• On the index card, write:
• your phone number (cell preferred)
• the last Math class you took
• the last Science class you took
• the last English class you took

In reality, will it take more or less than this amount to actually climb the stairs?

In reality, will it take more or less than this amount to actually climb the stairs?

What’s the efficiency of a human climbing a flight of stairs?

In reality, will it take more or less than this amount to actually climb the stairs?

What’s the efficiency of a human climbing a flight of stairs?

How many flights of stairs can you climb on the energy in a 12 oz can of Dr. Pepper? (1 can = 150 Cal)

LAB 1 OBJECTIVES:

• To acquire an operational definition of temperature and to understand the connection between temperature and thermal equilibrium.
• To understand how the temperature of a body changes as it undergoes thermal interactions with its surroundings.
• To understand the difference between the quantity of heat energy transferred to or from an object and its temperature.

A 40 kg timber wolf uses approximately 19,000 kJ of energy during the course of a day. A komodo dragon, a reptilian predator of the same size, uses only 2,100 kJ.

Explain why this is using the concepts covered in this lab.