The Superposition of Two Waves And , Results in a Wave with a Phase Angle of =

question 31

Multiple Choice

The superposition of two waves, $$y _ { 1 } = \left( 2 \times 10 ^ { - 8 } \mathrm {~m} \right) \sin \left[ \pi \left( \frac { x } { 2 \mathrm {~m} } - \frac { 170 } { \mathrm {~s} } t \right) \right]$$ and $$y _ { 2 } = \left( 2 \times 10 ^ { - 8 } \mathrm {~m} \right) \sin \left[ \pi \left( \frac { x } { 2 \mathrm {~m} } - \frac { 170 } { \mathrm {~s} } t - \frac { 1 } { 2 } \right) \right]$$ , results in a wave with a phase angle of

• A)0 rad.
• B)0.5 rad.
• C) \(\frac { \pi } { 4 }\) rad.
• D) \(\frac { \pi } { 2 }\) rad.
• E) \(\pi\) rad.

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Definitions:

Insecure Attachments

A type of relationship pattern developed in childhood due to consistently unresponsive or inappropriate responses from caregivers, leading to difficulties in relationships later in life.

Parenting Style

The manner in which a parent behaves towards and interacts with their child, including disciplinary methods, warmth and nurturing, communication, and expectations of maturity.

Authoritarian

A governing or leadership style that is characterized by individual control over all decisions and little input from group members.

Permissive

A parenting style characterized by low demands with high responsiveness, where parents are generally lenient and allow significant self-regulation.