Question
Asked Mar 1, 2020
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Specifically a dynamics problem. Question in pic below.

15-110. The amusement park ride consists of a 200-kg car
and passenger that are traveling at 3 m/s along a circular path
having a radius of 8 m. If at t = 0, the cable OA is pulled in
toward O at 0.5 m/s, determine the speed of the car when
t=4 s. Also, determine the work done to pull in the cable.d
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15-110. The amusement park ride consists of a 200-kg car and passenger that are traveling at 3 m/s along a circular path having a radius of 8 m. If at t = 0, the cable OA is pulled in toward O at 0.5 m/s, determine the speed of the car when t=4 s. Also, determine the work done to pull in the cable.d

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Expert Answer

Step 1

Given data,

Mechanical Engineering homework question answer, step 1, image 1

 

Step 2

Calculating the radius of circular path after 4 sec.

Mechanical Engineering homework question answer, step 2, image 1

 

Step 3

Calculating velocity of car after 4 sec.

Applying conservation angular momentum –

Mechanical Engineering homework question answer, step 3, image 1

 

...

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