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A small air bubble is 3.9 cm below the surface of a clear piece of plastic with an index of n = 1.65. When an opaque disk is placed directly over the bubble the bubble cannot be seen from above from any angle. What is the smallest radius of the disk?
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- A T. G. has 50 tuns each of radius factor if 6.28 cm. What is its reduction BH = 3.6 × 10-5 Wb/m².1:54 O KB/S ul . 52 %3D s the the g With a wooden ruler, you measure the length of a rectangular piece of sheet metal to be 16 mm. With micrometer calipers, you measure the width of the rectangle to be 8.98 mm. Use the correct number of significant figures: What is (a) the area of the rectangle; (b) the ratio of the rectangle's width to its length; (c) the perimeter of the rectangle; (d) the difference between the length and the width; and (e) the ratio of the length to the width? Your answerW=mg%= m= apparent mass at abject = 100g apparent weight af object 93D993,18 dra Vニtrh 9=978 dyu Pé density of abject = 5.51 Cn 3 2=density of water= 1-9 Vs valume of object =18.14 cm 3. %3D Cu3 wE(B-)さび Find differen tial erar of sh=or%3DD.0s cm om'=0.5g %3D
- ebj ach calaulate the deneidy of the obyect If the deneity of nater bet g/emš, steate.cwhether the objeetonly flot or sink in water. An objest of g mass 65 hoe a volume vf 30 cm3calendarim A Q/Find domain and range ofthe Rallowing o e y= fex) = Jx-2 %3D 10.00 G 11.00 e 2- J = x?4 %3D 12.00 e7. A rectangular lamina has vertices (0,0), (0, 2), (3,0), (3, 2) and density ry. Find (a) M, (b) , y, (c) Iz, Iy, (d) Im about an axis parallel to the z axis. Hint: Use the parallel axis theorem and the perpendicular axis theorem.
