PHYS171_f11_lecture_07

PHYS171_f11_lecture_07 - PHYS171 Principles of Physics I...

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Unformatted text preview: PHYS171 Principles of Physics I Prof. Arthur La Porta Assistant Professor, Department of Physics, Institute of Physical Science and Technology Maryland Biophysics Program alaporta@umd.edu Rm 1111, IPST building (building #085) Channel Setting Instructions for ResponseCard RF 1. Press and release the "GO" or "CH" button. 2. While the light is flashing red and green, enter the 2 digit channel code (i.e. channel 1 = 01, channel 21 = 21). Channel is 02 3. After the second digit is entered, Press and release the "GO" or "CH" button. The light should flash green to confirm. 4. Press and release the "1/A" button. The light should flash amber to confirm. Do you have a clicker? 87% 13% 1 2 1. Yes 2. No Chapter 3 Vectors in Physics Scalar Quantity requires only a number (with units). Examples are temperature, mass, density, speed, distance Vector Quantities requires both a number (with units) and a direction. Examples are position, displacement, velocity, acceleration, force In one dimension the direction of a vector is determined by the sign (+ or -) In more than one dimension, a direction in space is required.-6...
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PHYS171_f11_lecture_07 - PHYS171 Principles of Physics I...

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