A Child Throws a Ball with an Initial Speed of

question 3

Short Answer

A child throws a ball with an initial speed of at an angle of 40.0° above the horizontal.The ball leaves her hand 1.00 m above the ground and experience negligible air resistance.
(a)What is the magnitude of the ball's velocity just before it hits the ground?
(b)At what angle below the horizontal does the ball approach the ground?

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Definitions:

Barriers To Entry

Obstacles that make it difficult for new competitors to enter a market.

Scale Economies

Cost advantages that a business can achieve due to expansion in the scale of production, leading to a reduction in average costs.

Patents

Legal documents granting an inventor exclusive rights to manufacture, use, or sell an invention for a certain number of years.

Cournot Model

Oligopoly model in which firms produce a homogeneous good, each firm treats the output of its competitors as fixed, and all firms decide simultaneously how much to produce.