A Rock Is Thrown Straight Up with an Initial Velocity

question 23

Multiple Choice

A rock is thrown straight up with an initial velocity of 19.6 m/s.What time interval elapses between the rock's being thrown and its return to the original launch point? (Acceleration due to gravity is 9.80 m/s². )

• A)4.00 s
• B)5.00 s
• C)8.00 s
• D)10.0 s

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Definitions:

Lumbar Trunks

Large lymphatic vessels in the lumbar region of the body that drain lymph from the lower limbs, abdominal wall, and pelvic organs.

Subclavian Vein

A major vein on either side of the body that receives blood from the arm and the thorax, leading to the superior vena cava.

Cervical Lymph Nodes

Small, bean-shaped glands located in the neck region, part of the lymphatic system, involved in the body's immune response.

Phagocytized

The process by which cells, typically immune cells, engulf and digest foreign particles or pathogens, contributing to the body's defense mechanism.