Physics 161 – Summer 2004                               Homework 1

E. Gortcheva                                                       Due June 4, start of class

Read Serway & Jewett (S&J): app. B and chaps. 1, 3, 7.3, 11.1, and 2

1.      S&J 1.6

2.      If  “jerk” is defined as:

Ј = d³ x / dt³

where x  has dimensions of [L] and t has dimensions of [T], what are the dimensions of J?

3.      In the equation

Φ = tan^-1 (Rgcosθ/v²)

g has dimensions of [L/T²] and R has dimensions of [L].

(a)    What are the dimensions of θ?

(b)   What are the dimensions of v?

(c)    What are the dimensions of Φ?

4.      S&J 1.16

5.      S&J 1.22

6.      S&J 1.28

7.      S&J 1.32

8.      S&J 1.44

9.      S&J 1.52