A 20-Kg Block Sliding on a Frictionless Horizontal Surface Is Attached

question 57

Multiple Choice

A 2.0-kg block sliding on a frictionless horizontal surface is attached to one end of a horizontal spring (k = 600 N/m) which has its other end fixed. The speed of the block when the spring is extended 20 cm is equal to 3.0 m/s. What is the maximum speed of this block as it oscillates?

• A) 4.6 m/s
• B) 5.3 m/s
• C) 5.7 m/s
• D) 4.9 m/s
• E) 3.5 m/s

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Definitions:

Overestimate

To assess something as being greater, larger, or more significant than it actually is.

Anorexia Nervosa

A condition where individuals severely underweight excessively fear weight gain and have a skewed view of their body mass.

Obsessive-Compulsive Disorder

A mental disorder characterized by persistent, unwanted thoughts (obsessions) and repetitive, ritualistic behaviors (compulsions) that the individual feels compelled to perform.

Anorexia Nervosa

An eating disorder marked by an intense fear of gaining weight and a distorted body image, leading to severe restriction of food intake.