A Child Throws a Ball with an Initial Speed of 8.0

question 97

Short Answer

A child throws a ball with an initial speed of 8.0 m/s at an angle of 40° above the
horizontal. The ball leaves her hand 1.0 m above the ground and experiences no
appreciable air resistance as it moves.
(a) How far from where the child is standing does the ball hit the ground?
(b) How long is the ball in flight before it hits the ground?
(c) What is the magnitude of the ball's velocity just before it hits the ground?

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Definitions:

Yeasts

Yeasts are single-celled fungi that are widely used in food production, especially in baking and brewing, due to their ability to ferment.

Chemoautotroph

An organism that derives its energy from chemicals and synthesizes its own organic compounds from carbon dioxide.

Mutualism

In ecology, a symbiotic relationship in which both partners benefit from the association. Compare with parasitism and commensalism.

Photoautotroph

An organism that obtains energy from light and synthesizes organic compounds from inorganic raw materials; includes plants, algae, and some bacteria. Compare with photoheterotroph, chemoautotroph, and chemoheterotroph.