A Uranium Nucleus (Mass 238 Units)at Rest Decays into a Helium

question 57

Multiple Choice

A uranium nucleus (mass 238 units) at rest decays into a helium nucleus (mass 4.0 units) and a thorium nucleus (mass 234 units) .If the speed of the helium nucleus is 6.0 x 10⁵ m/s,what is the speed of the thorium nucleus?

• A)1.0 x 10⁴ m/s
• B)3.0 x 10⁴ m/s
• C)3.6 x 10⁴ m/s
• D)4.1 x 10⁴ m/s

Grasp the importance of homeostasis and metabolism in living organisms.

Identify and classify different life forms based on their structural and functional characteristics.

Recognize the role and impact of technology in scientific discovery and environmental management.

Understand the foundational concepts of ecology, including population, community, and ecosystem dynamics.

---

Definitions:

Accounting Beta Model

A method used in finance to estimate the beta of a company's stock based on its accounting ratios, as opposed to market-based measures.

Return on Equity

A measure of a corporation's profitability, calculated by dividing net income by shareholder equity, indicating how effectively company management is using investments to generate earnings growth.

Stock Market Index

A statistical measure that shows changes in the stock market by tracking a selected set of stocks to represent a particular market or sector.

Project Cash Flows

Net amounts of cash that are to be received or paid out over the duration of a project, determining its profitability and feasibility.