Engineering

Mechanical EngineeringQ&A Library15-110. The amusement park ride consists of a 200-kg carand passenger that are traveling at 3 m/s along a circular pathhaving a radius of 8 m. If at t = 0, the cable OA is pulled intoward O at 0.5 m/s, determine the speed of the car whent=4 s. Also, determine the work done to pull in the cable.dQuestion

Asked Mar 1, 2020

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Specifically a dynamics problem. Question in pic below.

Step 1

Given data,

Step 2

Calculating the radius of circular path after 4 sec.

Step 3

**Calculating velocity of car after 4 sec.**

Applying conservation angular momentum –

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