iPad 12:30 PM usq23ma.theexpertta.com Class Management Help Reading Quiz J1: New

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iPad 12:30 PM usq23ma.theexpertta.com Class Management Help Reading Quiz J1: Newton's Laws Begin Date: 1/19/2017 12:01:00 AM Due Date: 3/30/2017 2:00:00 PM End Date: 5/31/2 (50%) Problem 2: A particular object has a displacement of Ar 6.5i 14j 2.5 k) m in a time period of A 17.8 s G A 33% Part (a) What is the average velocity, in the x-direction, in meters per second, of this particle? ave,X cos() tan0 7 8 9 cotan0 asin() acos0 4 5 6 atan0 acotano sinh0 1 2 3 cosh() tanh() cotanh() O Degrees O Radians Submit Hint Hints deduction per hint. Hints remaining 1 Feedback: deduction per feedback. A 33% Part (b) What is the average velocity, in the y-direction, in meters per second, of this particle? A 33% Part (c) What is the average velocity, in the z-direction, in meters per second, of this particle? All content o 2017 Expert TA, LLC

Explanation / Answer

a) for the object

average velocity = displacement/time

average velocity = (6.5 i + 14 j - 2.5 k)/17.8

average velocity = 0.39 i + 2.03 j - 0.140 k

the velocity in x direction is 0.39 m/s

part b)

the velocity in y direction is 2.03 m/s

part c)

thjhe average velocity in z direction is - 0.140 m/s

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