A Child Throws a Ball with an Initial Speed of 8.00

question 15

Multiple Choice

A child throws a ball with an initial speed of 8.00 m/s at an angle of 40.0° above the horizontal. The ball leaves her hand 1.00 m above the ground. How far from where the child is standing does the ball hit the ground?

• A) 1.22 m
• B) 5.14 m
• C) 6.79 m
• D) 7.46 m
• E) 1.58 m

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Definitions:

Integrins

Receptor proteins that bind to specific proteins in the extracellular matrix and to membrane proteins on adjacent cells; transmit signals into the cell from the extracellular matrix.

Middle Lamella

The middle lamella is the layer of pectin-rich material between the cell walls of adjacent plant cells, acting as a cementing agent to hold them together.

Fibronectins

Glycoproteins of the extracellular matrix that bind to integrins (receptor proteins in the plasma membrane).

9 + 2 Arrangement

A common structure observed in eukaryotic flagella and cilia, consisting of nine double microtubule pairs surrounding two central microtubules.