A Cannon Fires a Projectile as Shown

question 29

Multiple Choice

A cannon fires a projectile as shown. The dashed line shows the trajectory in the absence of gravity; points MNOP correspond to the position of the projectiole at one second intervals. If g = 10 m/s², the lengths X,Y,Z are:

• A) 5 m, 10 m, 15 m
• B) 5 m, 20 m, 45 m
• C) 10 m, 40 m, 90 m
• D) 10 m, 20 m, 30 m
• E) 0.2 m, 0.8 m, 1.8 m

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Definitions:

Constitutional Convention

The gathering that took place in 1787 in Philadelphia, where the United States Constitution was drafted to replace the Articles of Confederation and create a new structure of government.

National Government

A political organization having central governmental powers over a nation or state, responsible for administering and governing the country.

Unlike Charges

Opposite electric charges (positive and negative), which attract each other according to Coulomb's law.

Attraction

The force that causes one object to pull another object to itself.