A Particle Moving in a Circle of Radius 15 Cm

question 17

Multiple Choice

A particle moving in a circle of radius 15 cm makes 33.3 rev/min. If the particle starts on the positive x axis at time t = 0, what is the x component of the particle's velocity at time
T = 1.2 s?

• A) 45 cm/s
• B) -3.8 cm/s
• C) 26 cm/s
• D) -45 cm/s
• E) 13 cm/s

---

Definitions:

Tragedy of the Commons

A situation in which individual users, acting independently according to their self-interest, behave contrary to the common good of all users by depleting or spoiling shared resources.

Grazing Permits

Licenses issued by government or property owners allowing livestock to graze on land.

Internalize the Externality

The process whereby parties take into account the external costs or benefits of their actions, often through regulatory or market-based mechanisms.

Tragedy of the Commons

A situation in a shared-resource system where individual users acting independently according to their own self-interest behave contrary to the common good of all users by depleting or spoiling that resource.