Why did Albrecht Durer’s Self-Portrait created in 1500 stand out for its time and create controversy? Share at least one idea from your reading. (2-3 sentences).

At 20°C on a flute, open at both ends, how far or what would be the length from the mouthpiece should a hole be covered to play D above middle C which is 294 Hz (consider 294 Hz to be the fundamental)? D is next note above middle C.

What is the wavelength that produces the first dark fringe that is seen from a double slit on a screen where the two slits are 0.120 mm apart and the angle is 0.159°?    metric prefix: m or milli = 10-3

What is the radius of curvature for a convex mirror with a focal length of -18 cm?

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A patient presents to the emergency department with a temperature of 102.5, chills, and fatigue several days after recovering from an influenza-like illness. The nurse notes petechiae on the oral mucosa and lower extremities, and cardiac auscultation reveals a new heart murmur. Which disorder should the nurse suspect?

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