FIGURE 8-4 an Object of Mass 2 Kg Is

question 39

Multiple Choice

FIGURE 8-4 An object of mass 2 kg is held at the top of a triangular wedge as shown in Figure 8-4, and then released. The reference level for potential energy is at the base of the triangle. Neglect friction and use g = 10 m/s².
-Refer to Figure 8-4. What is the kinetic energy of the object at the top of the wedge?

• A) 30 J
• B) 40 J
• C) 0 J
• D) 60 J
• E) 80 J

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Definitions:

Observational Studies

Research methods in which subjects are observed in their natural environment without any manipulation by the researcher.

Cause and Effect

The principle that every event (effect) has a cause or reasons behind it, and every cause leads to an effect.

Generalize

The act of applying specific observations to broader contexts or populations.

Naturalistic Observation

An observational study technique where participants are watched in their usual surroundings without any intervention from the researcher.