A Barbell Is 1

question 31

Multiple Choice

A barbell is 1.5 m long.Three weights,each of mass 20 kg,are hung on the left and two weights of the same mass,on the right.The width of each weight is 4 cm and each group of weights is placed 4 cm from the ends.Where is the center of mass of the barbell as measured from the mid-point,M,of the bar? The bar is of uniform mass and has mass 5 kg,and the retaining collars are of negligible mass.Take to the right as positive.

• A)-5.90 cm
• B)-5.62 cm
• C)+5.62 cm
• D)+5.90 cm
• E)None of the above

Examine the significance of slave family life, folklore, and religious practices in the resistance against slavery.

Evaluate historical interpretations of the impact of slavery on American society.

Understand the basic principles of the market system, including self-interest, competition, and private property.

Describe the characteristics and implications of laissez-faire capitalism and command economies.

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