Free Fall: a Ball Is Projected Upward at Time T

question 19

Multiple Choice

Free fall: A ball is projected upward at time t = 0.0 s, from a point on a roof 90 m above the ground. The ball rises, then falls and strikes the ground. The initial velocity of the ball is if air resistance is negligible. The time when the ball strikes the ground is closest to

• A) 9.4 s
• B) 9.0 s
• C) 8.7 s
• D) 9.7 s
• E) 10 s

---

Definitions:

Progressive Agenda

A set of policy proposals or political objectives aiming to promote social advancement, economic equality, and environmental sustainability, often associated with liberal or left-leaning political movements.

Antitrust Prosecutions

Antitrust Prosecutions involve legal actions taken against companies or organizations accused of violating antitrust laws, which are designed to prevent anti-competitive practices and promote market fairness.

Interstate Commerce Commission

The first federal agency created in 1887, tasked with regulating the railroads to ensure fair rates, eliminate rate discrimination, and regulate other aspects of common carriers.

William Howard Taft

The 27th President of the United States (1909-1913) known for his conservative policies; later served as the 10th Chief Justice of the United States, making him the only person to have held both offices.