The car C and its contents have a weight of 600 lb, whereas block B has a weight of 200 lb. If the car is released from rest, determine its speed when it travels 30 ft down the 20° incline.

1. 

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The car C and its contents have a weight of 600 lb, whereas block B has a weight of 200 lb. If the car is released from rest, determine its speed when it travels 30 ft down the 20° incline.
[A]. vC = 3.55 ft/s
[B]. vC = 3.94 ft/s
[C]. vC = 17.68 ft/s
[D]. vC = 15.94 ft/s

Answer: Option C

Explanation:

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