A well-insulated stainless-steel bar has a 50 cm length and cross-sectional area of 3.5 cm². One of its ends is maintained at a temperature of 115 ºC while its other end is kept at a temperature of 30 ºC. If the bar is in steady rate condition, find the temperature at a distance of 15 cm from the end that is at 115 ºC. * 0/1
A. 104.5 ºC
B. 104.5 K
C. 89.5 ºC
D. 89.5 K

Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.