Warmup #15: Rotational Motion

Course

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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.

In rewinding an audio or video tape, why does the tape wind up faster at the end than at the beginning?

2.

Estimate the magnitude of the tangential velocity of an object in Indianapolis, due to the rotation of the earth.

3.

The angular velocity of the Earth revolving around the Sun is approximately
365 rad/day

0.017 rad/day

12 rad/yr

1.0 rad/yr

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.