Warmup 13: Work, Energy and Power

Course

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Please type your LAST NAME and LAST FOUR SS# digits:

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The first three questions refer to the material you were to read in preparation for the lesson. Questions one and two require you to write a three or four sentence response. Number three is a multiple choice question. Click in the appropriate circle. Questions 4 is your opportunity to suggest what we should emphasize today and how.

You may change your mind as often as you wish. When you are satisfied with your responses, click the SUBMIT button at the bottom of this page.


1.

One farmer is bragging about his strong horse, his neighbor is proud of his powerful horse.

If these men are giving the words strong and powerful their correct physical meaning, what can you say about the two horses?




2.A good, professional baseball pitcher throws a ball straight up in the air. Estimate how high the ball will go? (Good throws reach speeds over100 mph





3.

An object is moving in such a way that the force of gravity is increasing its kinetic energy. You can conclude that

the object is falling freely

there is a net force on the object

both A and B

neither A nor B



4. Below is a space for your thoughts, including general comments about today's assignment (what seemed impossible, what reading didn't make sense, what we should spend class time on, what was "cool", etc.):




You may change your mind as often as you wish. When you are satisfied with your responses, click the SUBMIT button.

I received no help from anyone on this assignment.