# When is the bug speeding up

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```					1)       When is the bug
speeding up?

2)       When is he slowing
down?

3)       When is the bug not
moving?

4)       When does he change direction?

5)       When is the bug crawling up?

6)       When is the bug crawling down?

7)       What is the bug’s acceleration at t=1s; t=3s; t=6.5s?

8)       What’s the average acceleration on [2, 8]?

9)       In the graph below, sketch the bug’s speed.                                            Now sketch his acceleration.

y                                                                             y
                                                                             

                                                                             

                                                                             
x                                                                      x

                                                                                              
                                                                               

                                                                               

Please see summative problem demonstrating the calculus of rectilinear motion. Handout 10/22.

10) Redo problem #2 p 129.

11) Using               d
dx   sin x  cos x and         d
dx   cos x   sin x , show
d
dx   tan x  sec x    2                           d
dx   cot x   csc2 x
d
dx   sec x  sec x tan x                          d
dx   csc x   csc x cot x

12) Redo #11 p 140.

13)
14)

```
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 views: 1 posted: 4/7/2010 language: English pages: 2