A Particle Whose Mass Is 2 Kg Moves in the Xy

question 15

Multiple Choice

A particle whose mass is 2 kg moves in the xy plane with a constant speed of 3 m/s along the direction $\hat { \mathbf { r } } = \hat { \mathbf { i } } + \hat { j }$ .What is its angular momentum (in kg.m²/s) relative to the origin?

• A)0 \(\hat { k }\)
• B) \(6 \sqrt { 2 } \tilde { \mathbf { k } }\)
• C) \(- 6 \sqrt { 2 } \tilde { \mathbf { k } }\)
• D)6 \(\hat { k }\)
• E)-6 \(\hat { k }\)

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Definitions:

Vaccination Rates

The percentage of a population that has received specific vaccines within a given timeframe.

Death Rate

A measure often expressed as the number of deaths per 1,000 individuals per year, used to gauge the mortality level of a population.

Post Hoc

The fallacy of using the fact that one event preceded another as sufficient evidence for the conclusion that the first caused the second.

Fallacy

An incorrect reasoning technique that spoils the legitimacy of an argument.