(1) If the temperature of the body is 90°C to falls to 70°C in 5 minutes when placed in a surrounding of constant temperature 20°C, calculate the time for the temperature of the body to become 50°C. Find the k constant. (2) Apply Snell's law when light travels from air (n = 1.0003) to a flint glass (n = 1.56) where Oi = 30° (3) A 5-cm-high object is placed in front of a concave mirror with a radius of curvature of 20 cm. Determine the image height if the object's distance is 30 cm. the other cons

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Chapter1: Units, Trigonometry. And Vectors
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(1) If the temperature of the body is 90°C to falls to 70°C in 5 minutes when placed in a surrounding of constant
temperature 20°C, calculate the time for the temperature of the body to become 50°C. Find the k constant.
(2) Apply Snell's law when light travels from air (n = 1.0003) to a flint glass (n = 1.56) where Oi -30°
(3) A 5-cm-high object is placed in front of a concave mirror with a radius of curvature of 20 cm. Determine the image height if
the object's distance is 30 cm.
(4)
the other
aw give
the angle of incidence.
Figure 4
Transcribed Image Text:(1) If the temperature of the body is 90°C to falls to 70°C in 5 minutes when placed in a surrounding of constant temperature 20°C, calculate the time for the temperature of the body to become 50°C. Find the k constant. (2) Apply Snell's law when light travels from air (n = 1.0003) to a flint glass (n = 1.56) where Oi -30° (3) A 5-cm-high object is placed in front of a concave mirror with a radius of curvature of 20 cm. Determine the image height if the object's distance is 30 cm. (4) the other aw give the angle of incidence. Figure 4
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