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| Teaching Since: | Apr 2017 |
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| Questions Answered: | 12843 |
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MBA, Ph.D in Management
Harvard university
Feb-1997 - Aug-2003
Professor
Strayer University
Jan-2007 - Present
Problem 8. A ball of mass m=3.0 kg is falling straight down. At the instant shown, it is a height
h=10.0 m above the floor and has a speed of 5 m/s. The point B is at the position
´r B =⟨−6, 0, 0 ⟩ m . What is the angular momentum of the ball about B? y A B
m2
s z A) 0 kg ∙ B) −90 z^ kg ∙ m /s C) 90 ^z kg ∙ D) 30 ^z kg ∙ E) −30 ^z kg ∙ m / s 2 m2
s
2 m
s 2 x
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