A Proton Having a Speed of 3 $\vec { B }$

question 21

Multiple Choice

A proton having a speed of 3.0 × 10⁶ m/s in a direction perpendicular to a uniform magnetic field moves in a circle of radius 0.20 m within the field.What is the magnitude of the $\vec { B }$ field? (e = 1.60 × 10^-19 C,m_proton = 1.67 × 10^-27 kg)

• A)0.080 T
• B)0.16 T
• C)0.24 T
• D)0.32 T
• E)0.36 T

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Definitions:

Comparative Advantage

The skill of a person or group to undertake a particular economic operation more adeptly than another activity.

Answering Phones

Involves handling incoming calls and may include tasks such as providing information, taking messages, or scheduling appointments.

Comparative Advantage

The skill of an individual, enterprise, or nation in producing a commodity or performing a service with a lower sacrifice of alternative opportunities than competing entities.

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A citrus fruit that is often considered in economic examples related to trade, comparative advantage, and consumer choice.