A 10-Kg Block Starts from Rest at a Vertical Height

question 112

Multiple Choice

A 10-kg block starts from rest at a vertical height of 1 m on a 30º frictionless inclined plane.If the block slides down the incline and then 20 m along a frictionless horizontal surface into a fixed spring with a force constant of 100 N/m,the spring is compressed approximately

• A)1.4 m
• B)2.0 m
• C)0.33 m
• D)0.98 m
• E)2.5 m

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