A Hobbyist Launches a Projectile from Ground Level on a Horizontal

question 153

Multiple Choice

A hobbyist launches a projectile from ground level on a horizontal plain.It reaches a maximum height of 72.3 m and lands 111 m from the launch point.Assume no air.What was the angle of launch if g = 9.80 m/s²?

• A)69.0°
• B)67.4°
• C)22.6°
• D)44.8°

Understand the physiological consequences of prolonged excessive alcohol consumption.

Identify substances used for performance enhancement in sports and their effects.

Describe the pharmacological classification of drugs and their effects on appetite, self-confidence, and the nervous system.

Understand the relationship between opiate use and the body’s endorphin production.

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Definitions:

Lactation

The production and secretion of milk by the mammary glands of postpartum females.

Oxytocin

A hormone and neurotransmitter involved in childbirth and lactation, also playing a significant role in behaviors like bonding and trust.

Ejection

The process of forcefully expelling something, often used in the context of the heart pumping blood or the expulsion of a substance from the body.

Oxytocin

A hormone produced by the hypothalamus and released by the pituitary gland, involved in childbirth, bonding, and social behaviors.