A Ball Is Thrown at an Angle 45° Above the Horizontal

question 44

Multiple Choice

A ball is thrown at an angle 45° above the horizontal with an initial velocity of 20 m/s. What is the total time of flight of the ball before it hits the ground?

• A) 9.8 s
• B) 6.1 s
• C) 2.9 s
• D) 4.9 s
• E) 1.5 s

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Definitions:

Second-Class Tickets

Tickets offering a lower level of service or comfort on public transport, often at a reduced price compared to first-class tickets.

First-Class Tickets

Tickets that provide premium services and amenities above standard class, often associated with air travel, trains, or other transportation modes.

Income

The total amount of money earned by an individual or household from various sources, including wages, salaries, investments, and other forms of earnings, over a period of time.

Price

The value in terms of money expected, to be provided, or already given in exchange for a service.