A Projectile Fired from a Gun Has Initial Horizontal and Vertical

question 43

Multiple Choice

A projectile fired from a gun has initial horizontal and vertical components of velocity equal to 30 m/s and 40 m/s, respectively.
-Determine the initial speed of the projectile.

• A)40 m/s
• B)50 m/s
• C)60 m/s
• D)70 m/s
• E)80 m/s

---

Definitions:

Stalactites

Icicle-shaped formations that hang from the ceiling of a cave, formed by the deposition of minerals from water dripping down.

Calcium Carbonate

A chemical compound, CaCO3, found in rocks such as limestone, chalk, and marble, and is the main component of pearls and the shells of marine organisms.

Sedimentary Rock

Rock formed by the accumulation and compaction of sediment, which can include minerals, organic matter, or the remains of organisms.

Dissolution

The process by which a solid, liquid, or gas forms a solution in a solvent, often related to the disintegration of minerals in water.