. A web page designer creates an animation in which a dot on a computer screen has position 7 = [4.0 cm + (2.5 cm/s³)t?i + (5.0 cm/s)t3. (a) Find the magnitude and direction of the dot's average velocity between t = 0 and t = 2.0 s. (b) Find the magnitude and direction of the instantaneous velocity at t = 0, t = 1.0 s, and t = 2.0 s. (c) Find ā. %3D

Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter6: Motion In Two Dimensions
Section6.3: Relative Velocity
Problem 27PP
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5. A web page designer creates an animation in which a dot on a computer screen has position
7 = [4.0 cm + (2.5 cm/s³)t?i + (5.0 cm/s)t3. (a) Find the magnitude and direction of the dot's
average velocity between t = 0 and t = 2.0 s. (b) Find the magnitude and direction of the
instantaneous velocity at t = 0, t = 1.0 s, and t = 2.0 s. (c) Find ā.
%3D
Transcribed Image Text:5. A web page designer creates an animation in which a dot on a computer screen has position 7 = [4.0 cm + (2.5 cm/s³)t?i + (5.0 cm/s)t3. (a) Find the magnitude and direction of the dot's average velocity between t = 0 and t = 2.0 s. (b) Find the magnitude and direction of the instantaneous velocity at t = 0, t = 1.0 s, and t = 2.0 s. (c) Find ā. %3D
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