**Dimensional Analysis**

Class notes: Introduction to Dimensional Analysis

Activity 2.10

Watch the 2 video's below on dimensional analysis:

video 1

video 2

Read the examples in this handout (12) and do the two problems in the handout. Post your answers in this form. (16)

Activity 2.20

#### Read sections 1.3 & 1.4 in the College physics Textbook. Pages 25 - 30.

**Answer the following 3 questions.**

**37**. To convert 1.8 h to minutes, by what conversion factor should you multiply?

**67**. Convert each of the following measurements to meters.

b. 6.2 pm

c. 21 km

d. 0.023 mm

e. 214 m

f. 57 nm

**74**. Dimensional Analysis : Pressure is measured in

pascals, where 1 Pa 1 kg/ms^2. Will the following

expression give a pressure in the correct units?

**(0.55 kg)(2.1 m/s)**

**________________**

**9.8 m/s**

**2**

**When done with these questions:**

- Check your answers against this answer key Chapter 1 answer key

Activity 2.30

**the first problem**in this dimensional analysis jabberwocky (30) and hand in the completed analysis

**on paper**.

**You do not need to complete the "spaceship" question.**

**Activity 2.40 - Classwork: Accuracy & Precision**

Complete this accuracy & precision worksheet . Do the work in the worksheet and hand in your work. Refer to section 1.3 in the textbook for definitions of accuracy and precision.

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