A 16-Kg Block on a Horizontal Frictionless Surface Is Attached to to an Ideal

question 39

Multiple Choice

A 1.6-kg block on a horizontal frictionless surface is attached to an ideal massless spring whose spring constant is 190 N/m.The block is pulled from its equilibrium position at x = 0.00 m to a displacement x = +0.080 m and is released from rest.The block then executes simple harmonic motion along the horizontal x-axis.What is the velocity of the block at time
T = 0.40 s?

• A)0.82 m/s
• B)-0.82 m/s
• C)0.30 m/s
• D)-0.30 m/s
• E)0.00 m/s

---

Definitions:

Net Income

A company's overall earnings remaining after deducting all expenses, taxes, and costs from its total revenue.

Cash Dividends

A distribution of a portion of a company's earnings, decided by the board of directors, paid to a class of its shareholders.

Financing Activities

Activities that result in changes in the size and composition of the equity and borrowings of a company, reported in the cash flow statement.

Net Income

The net profit of a company following the deduction of all expenses and tax amounts from its total income.