PHYS 310 Week 2 Complete DeVry

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PHYS 310 Week 2 Complete DeVry

PHYS 310 Week 2 Vectors and Coordinate Systems, Kinematics in Two Dimensions DeVry

PHYS 310 Week 2 Discussions

WEEK 2: VECTORS

Can the magnitude of the displacement vector ever be more than the distance traveled?

This topic was locked Sep 17 at 11:59pm.

WEEK 2: MOTION IN TWO DIMENSIONS

Tarzan swings through the jungle by hanging from a vine. Immediately after he steps off the branch, is Tarzan’s acceleration zero or nonzero? If the acceleration is nonzero, which way does it point? What about Tarzan’s acceleration when he is at the lowest point in his swing? Draw a motion diagram of Tarzan’s swing before you attempt to answer this.

PHYS 310 Week 2 Lab

Scenario/Summary

A vernier caliper (see Figure 1 in the Lab Instructions for a graphic of one) is a device used by machinists, technicians, engineers, and scientists to measure the dimensions of objects ranging in size from a fraction of a centimeter to 15 cm to a precision of a fraction of a millimeter.

Exact numbers are those that result from counting (such as the number of cars in a parking lot or the number of apples in a bushel) or by definition (1 hour = 60 minutes, 1 inch = 2.54 cm). Any number that is the result of a measurement is by nature approximate. It is very important to express the result of any measurement to the correct number of significant digits. Too many digits written out implies that the number is more precise than you measured. Too few digits implies that you haven’t worked hard enough. In physics, words that may seem to be synonyms are not. For example, precision and accuracy may be used almost interchangeably in everyday language, but as technical terms these words have very different meanings. The accuracy of an approximate number is a measure of how close the number is to its true value. The precision of an approximate number is the value or position of the least significant digit. The relative precision of a measured number is the least significant digit divided by the value expressed as either a fraction or a percentage. For example, the measurement 2.14 V has a precision of 10 mV and a relative precision of 0.01 / 2.14 = 0.0047 or 0.47%. Review the rules of significant digits in your text.

Volume is the total amount of space (in cubic units) that any object occupies. Mass density is the ratio of the mass of an object to its volume. For most solids and liquids, the mass density is a constant property of the material.

The purpose of this Lab is for you to use your caliper to measure the dimensions of some common objects and to use your measurements for some basic calculations.

Deliverables

Category	Points	%	Description
Questions 1-5 (6 pts each)	30	100	The student completely follows instructions and answers the questions correctly.
Total	30	100	A quality report will meet or exceed all of the above requirements.

Required Software

This Lab will use the following Lab Resources:

• Virtual Lab – Citrix
• PASCO Capstone (Capstone must be downloaded from the Student Software Store and installed on the student’s computer.)

Use a personal copy of the software or access the Lab Resources, go to the Course Resources page – Lab Resources section.

Lab Steps

STEP 1: Review Lab Instructions for Experiment 2

Review detailed instructions (Links to an external site.)Links to an external site. for this week’s lab. Follow the steps in this document to complete the lab activity.

STEP 2: Complete the Data Sheet

Download the lab report template (Links to an external site.)Links to an external site. for this weeks lab. Use this template to complete your lab report.

Save your file using the filename format “lastname_firstinitial_Lab2.” For example, if you are Albert Einstein and you are submitting your Lab 2, the filename should be “einstein_a_Lab2.”

STEP 3: Submit Your Deliverable

Remember to submit your assignment for grading when finished.

PHYS 310 Week 2 MASTERING PHYSICS

You will complete all assignments in this course in Mastering Physics enivornment. Be sure to view the Mastering Physics Tutorial (required but not graded), because this will help you get to know Mastering Physics.

You will submit your assignment directly in Mastering Physics.

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