Three Children Acrobats Are Standing Still on a Circular Horizontal

question 45

Multiple Choice

Three children acrobats are standing still on a circular horizontal platform of radius 4 m suspended at the center.The origin of the xy - Cartesian coordinate system is assumed to be in the center of the circular platform.A 30-kg child is located at (1 m,2 m) ,and a 40-kg child is located at (2 m,- 3 m) .Assuming the children stand still on their positions,where must a 20-kg child acrobat be located so that the center of mass of the system consisting of the three children is at the origin and the platform is balanced?

• A)(-0.5 m,2 m)
• B)(0.5 m,-2 m)
• C)(-0.5 m,1 m)
• D)(0.5 m,1 m)
• E)Equilibrium impossible in this configuration.

Comprehend the mechanisms and implications of haplodiploidy in social insects.

Analyze the roles of direct, indirect, and inclusive fitness in the evolution of social behaviours.

Distinguish between circumstances that lead to territorial aggression and those that make it unnecessary or counterproductive.

Understand the role of innate navigation mechanisms in animals and the impact of external cues on these systems.

---

Definitions:

Multiplier

In economics, a factor by which an initial change in spending leads to a greater change in income and overall economic activity.

National Debt

The total amount of money that a country's government has borrowed, typically through issuing securities.

Fiscal Policy

Government policies related to taxation and spending that aim to influence economic conditions.

Political Compromises

Agreements reached by conflicting parties in which concessions are made by all involved to achieve a mutual solution.