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A web page designer creates an animation in which a dot on a computer screen has position 7 = [4.0 cm + (2.5 cm/s²)t²î + (5.0 cm/s)tĵ. (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.

A web page designer creates an animation in which a dot on a computer screen has position 7 = [4.0 cm + (2.5 cm/s²)t²î + (5.0 cm/s)tĵ. (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.

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In solution, put all the decimal that will be computed then in the final answer two decimal places only.
A web page designer creates an animation in which a dot on a computer screen has position 7 = [4.0 cm + (2.5 cm/s²)t²î + (5.0 cm/s)tj. (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:A web page designer creates an animation in which a dot on a computer screen has position 7 = [4.0 cm + (2.5 cm/s²)t²î + (5.0 cm/s)tj. (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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