Mark Throws a Ball to Daniel with an Initial Speed

question 21

Multiple Choice

Mark throws a ball to Daniel with an initial speed of 20 m/s at an angle of 45 degrees.If they are initially 55 m apart,calculate the average speed Daniel has to run to catch the ball.(Assume the ball is thrown and caught at the same height.Also assume that Daniel starts to run when the ball is thrown.)

• A)19 m/s
• B)14 m/s
• C)4.9 m/s
• D)9.1 m/s
• E)2.9 m/s

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Definitions:

Economic Change

The process through which a country's economy grows, evolves, or transforms due to various factors such as technology, policies, and market conditions.

Incentives

Motivations or rewards designed to encourage specific behaviors or actions, often used in economic, workplace, or educational contexts.

Economic Thinking

A systematic approach to analyzing financial decisions and phenomena, employing principles of economics to evaluate costs, benefits, and impacts.

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Objectively means considering something based on facts and without influence from personal feelings or biases.