A 03-Kg Object Is Being Whirled in a Horizontal Circle at at the End

question 57

Multiple Choice

A 0.3-kg object is being whirled in a horizontal circle at the end of a 1.5 m long string. If the string breaks when the number of revolutions per minute, rpm = 200, then find the maximum tension in the string.

• A) 2.0  10² N
• B) 59 N
• C) 7.0  10⁵ N
• D) 9.0 N
• E) 88 N

Explain the concept of the weighted average cost of capital (WACC) and its minimization as a goal for the optimal capital structure.

Understand the static theory of capital structure and its implications for firm valuation.

Analyze the effect of financial leverage on a firm's cost of equity and systematic risk.

Recognize the role of taxes, bankruptcy costs, and financial distress in shaping capital structure decisions.

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