A Hockey Puck of Mass M Traveling Along the X

question 43

Multiple Choice

A hockey puck of mass m traveling along the x axis at 4.5 m/s hits another identical hockey puck at rest.If after the collision the second puck travels at a speed of 3.5 m/s at an angle of 30° above the x axis, is this an elastic collision?

• A)Yes, since momentum is conserved.
• B)No, since momentum is not conserved.
• C)Yes, since kinetic energy is conserved.
• D)No, since kinetic energy is not conserved.
• E)Not enough information.

---

Definitions:

Operating Activity

Transactions that relate to the primary business operations, such as revenue from sales and expenses for materials and labor.

Supplies

Items used in the operation of a business that are not directly tied to the products or services offered, such as office supplies.

Accounts Payable

This refers to the amounts owed by a company for goods or services that have been received but not yet paid for.

Cash Dividends

Cash dividends refer to the distribution of a company's earnings to its shareholders, usually in the form of cash.