A Proton Moving with a Velocity of 4 $\vec { B }$

question 53

Multiple Choice

A proton moving with a velocity of 4.0 × 10⁴ m/s enters a magnetic field of 0.20 T.If the angle between the velocity of the proton and the direction of the $\vec { B }$ field is 60°,what is the magnitude of the magnetic force exerted on the proton? (e = 1.60 × 10^-19C)

• A)1.8 × 10^-15 N
• B)0.60 × 10^-15 N
• C)1.1 × 10^-15 N
• D)2.2 × 10^-15 N

Assess the role of international organizations in promoting fair labor practices and economic development.

Understand the concept of cultural mixing and its potential to preserve local cultures amidst global influences.

Understand the health risks associated with smoking, including the impact on coronary artery disease, cancer, and respiratory diseases.

Know the global and historical context of tobacco use, including consumption rates and the introduction of tobacco in Europe.

---

Definitions:

Proportional Tax

A tax system where the tax rate remains constant regardless of the amount subject to tax, meaning everyone pays the same percentage of their income.

Progressive Tax

A tax system where the tax rate increases as the taxable amount increases, burdening wealthier individuals more.

Progressive Tax

A tax system in which tax rates increase as the taxable amount increases, placing a higher tax burden on individuals with higher incomes.

Regressive Tax

A tax imposed in such a manner that the tax rate decreases as the amount subject to taxation increases, disproportionately affecting lower-income individuals.