The sprinter begins from rest at position A and accelerates along the track. If the stationary tracking camera at O is rotating counterclockwise at the rate of 13.1 deg/s when the sprinter passes the 65-m mark, determine the speed v of the sprinter and the value of r. 46 m 12 m

The sprinter begins from rest at position A and accelerates along the track. If the stationary tracking camera at O is rotating counterclockwise at the rate of 13.1 deg/s when the sprinter passes the 65-m mark, determine the speed v of the sprinter and the value of r. 46 m 12 m

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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The sprinter begins from rest at position A and accelerates along the track. If the stationary tracking camera at O is rotating
counterclockwise at the rate of 13.1 deg/s when the sprinter passes the 65-m mark, determine the speed v of the sprinter and the
value of r.
Part 1
Answers:
r =
Calculate the distance r, the angle 0, and the rate of rotaion of the camera in rad/s.
0=
0 =
i
i
46 m
i
46 m
3
0
O
rad/s
12 m
0
12 m

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Part 2
Calculate the component of the velocity in the 0-direction.
Answer: V₂ =
i
1
m/s
Vo
0
e o

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