Tasha Has Mass 20 Kg and Wants to Use a 4.0-M

question 60

Multiple Choice

Tasha has mass 20 kg and wants to use a 4.0-m board of mass 10 kg as a seesaw.Her friends are busy,so Tasha seesaws by herself by putting the support at the system's center of gravity when she sits on one end of the board.How far is she from the support point?

• A)2.0 m
• B)1.0 m
• C)0.67 m
• D)0.33 m

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Definitions:

First-Line Treatment

The initial, preferred method of treatment for a disease or condition, typically based on clinical evidence for its effectiveness.

SAD

Seasonal Affective Disorder, a type of depression that occurs at a specific time of year, usually during winter when there is less natural sunlight.

Light Therapy

A treatment method that involves exposure to bright light, often used to address seasonal affective disorder (SAD) and certain other conditions.

ECT

Electroconvulsive Therapy, a psychiatric treatment involving electric currents passed through the brain to trigger a brief seizure, aiming to treat certain mental disorders.