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Projectile motion practice: Solved physics problem examples

Practice projectile motion with fully solved physics problem examples. This video walks through step-by-step solutions to help you understand equations, motion components, and problem-solving ...

Mastering the Modified Dietz Method for Investment Returns

Discover how the Modified Dietz Method measures investment returns, factoring in cash flow timing and excluding skewing ...
The New York Times

Climate and Environment

A giant freeway crossing for wildlife is due to open outside Los Angeles this year. Here’s the story of one young cat hemmed in near the city. By Catrin Einhorn and Loren Elliott A warming Arctic can ...
Investopedia

Discount Rate Defined: How It's Used by the Fed and in Cash-Flow Analysis

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...