Block a (0

question 53

Multiple Choice

Block A (0.40 kg) and block B (0.30 kg) are on a frictionless table (see figure) .Spring 1 connects block A to a frictionless peg at 0 and spring 2 connects block A and block B.When the blocks are in uniform circular motion about 0,the springs have lengths of 0.60 m and 0.40 m,as shown.The springs are ideal and massless,and the linear speed of block B is 2.0 m/s.If the spring constant of spring 1 is equal to 30 N/m,the unstretched length of spring 1 is closest to

• A)0.51 m.
• B)0.52 m.
• C)0.53 m.
• D)0.54 m.
• E)0.55 m.

---

Definitions:

Common Stock

Common stock represents shares of ownership in a corporation, giving holders voting rights and a residual claim on corporate earnings in the form of dividends.

After-Tax Interest Expense

The cost of borrowing after adjusting for the effects of taxes, calculated by subtracting the tax savings from the total interest expense.

Basic Earnings Per Share

A measure of a company's profitability that divides net income by the number of outstanding common shares.

Noncontrolling Interest

The share of equity in a subsidiary not held by the parent company, reflecting the interest that is not controlled by the majority shareholder.