Question

Asked Feb 24, 2019

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Please refer to the attached picturs of the problem statement. I have solved a, b, c, and g using kinematics and Newton's Second Law. I'm not sure how to answer d, e and f however. My answers are:

a) a_{T}=v_{0}/t_{s}

b) a_{c/t}=mu(g)+v_{0}/t_{s}

c)truck stops before crate

d) unsure

e) unsure

f) unsure

g) mu=[(a_{T}t_{s})^{2}]/[2d_{0}-2v_{0}t_{s}-a_{T}t_{s2}]

mu=[a_{T}v_{02}]/[g(2d_{0}a_{T}-3v_{0}^{2})]

Step 1

Given: For part d.

V_{initial}=V_{0}

distance between front of the crate and front of the trailer=d_{0}

stopping time = t_{s}.

Step 2

Applying newtons laws of motion,

Step 3

acceleration of crates with respect...

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