Explosions in Two Dimensions: a Plate Falls Vertically to the Floor

question 49

Multiple Choice

Explosions in two dimensions: A plate falls vertically to the floor and breaks up into three pieces, which slide along the floor. Immediately after the impact, a 320-g piece moves along the x-axis with a speed of 2.00 m/s and a 355-g piece moves along the y-axis with a speed of 1.50 m/s. The third piece has a mass of 100 g. In what direction does the third piece move? You can neglect any horizontal forces during the crash.

• A) 216.9° from the x-axis
• B) 219.8° from the x-axis
• C) 36.9° from the x-axis
• D) 39.9° from the x-axis
• E) 39.8° from the x-axis

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Definitions:

Biological Success

The successful proliferation and adaptation of organisms or species in their respective environments, often measured by survival and reproduction rates.

Arthropoda

A phylum of invertebrate animals that includes insects, arachnids, myriapods, and crustaceans, characterized by an exoskeleton, segmented body, and jointed appendages.

Jointed Appendages

Jointed appendages are limbs or structures that are segmented and connected by joints, allowing for a range of movements, characteristic of arthropods.

Nervous System

The network of nerve cells and fibers that transmits signals between parts of the body, coordinating actions and sensory information.