A Projectile Is Fired with Initial Speed Feet Per

question 60

Multiple Choice

A projectile is fired with initial speed feet per second from a height of h feet at an angle of above the horizontal. Assuming that the only force acting on the object is gravity, find the speed at impact. Round to the nearest tenth of a foot.

• A) 263.1 ft/s
• B) 725.9 ft/s
• C) 181.8 ft/s
• D) 1022.4 ft/s

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Definitions:

Para

In organic chemistry, this term refers to the positioning of substituents on an aromatic ring where two groups are separated by two carbon atoms, leading to a 1,4-relationship.

Bromination of Benzene

A chemical reaction where bromine is added to benzene, typically requiring a catalyst like iron bromide, to form bromobenzene.

Carbanionic Intermediate

A transient species in organic chemistry featuring a carbon atom bearing a negative charge; it plays a crucial role in various chemical reactions.

Stepwise Mechanism

A reaction mechanism in which the overall reaction occurs through a sequence of individual steps, each with its own transition state and intermediates.