A person is lying on a diving board 2.50 m above the surface of the water in a swimming pool. The person looks at a penny that is on the bottom of the pool directly below her. The penny appears to the person to be a distance of 5.25 m from her. Part A What is the depth of the water at this point? Express your answer with the appropriate units. S = μA Value Submit Request Answer Units ?
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- solve correctly. I will rate accordingly.Part A You look at yourself in a shiny 9.6-cm-diameter Christmas tree ball. If your face is 29.0 cm away from the ball's front surface, where is your image? Follow the sign conventions. Express your answer to two significant figures and Include the appropriate units. HA Value Units %3D Submit Request Answer58. A magnifying glass is a converging lens, which could be used to make a real image of an object. A small lightbulb is placed 25.0 cm in front of a convex lens with a focal length of 10.0 cm. a. G Draw a ray-tracing diagram to find the position of the image formed by the lens. b. N Calculate the location and magnification of the image to confirm the accuracy of your drawing.
- 53. N An object is placed 10.0 cm in front of a diverging lens of focal length -6.00 cm. Determine the image magnification and the image distance. 54 An obiect is placed 14.0 cm in front of o diuorgi long withPart AAs a project, some students are planning to determine the speed of light using Michelson's speed of light apparatus (shown below). For their experiment they plan to have a distance Doe between the mirrors. For N=1, they need an angular speed of we If they decrease the distance by a factor of 2. what angular speed (in terms of se) would they need for the N=1 case? Rotating Observer Light source Stationary mirror A ASK YOUR TEACHER
- Problem 34.51 It's nighttime, and you've dropped your goggles into a 3.0-m-deep swimming pool. If you hold a laser pointer 1.2 m above the edge of the pool, you can illuminate the goggles if the laser beam enters the water 1.9 m from the edge. Part A How far are the goggles from the edge of the pool? Express your answer with the appropriate units. G ΜΑ ? d = Value Units Submit Request Answer Return to Assignment Provide Feedback a 4 বর DII DD F5 F6 F7 F8 F9 F10 80 F3 F4 $ 54 #3 W E % 85 96 & 27 R T Y U D F G 8 9 ) 0 0 PPart A A 1.2-cm-tall object is 78 cm in front of a diverging lens that has a -39 cm focal length. Calculate the image position. Express your answer to two significant figures and include the appropriate units. HÀ ? s' = Value Units Submit Request Answer Part B Calculate the image height. Express your answer to two significant figures and include the appropriate units. HA ? h' = Value Units Submit Request AnswerPart A A converging lens with a focal length of 60 cm and a diverging lens with a focal length of -50 cm are 290 cm apart. A 3.5-cm-tall object is 80 cm in front of the converging lens. Calculate the image position relative to the diverging lens. Express your answer to two significant figures and include the appropriate units. Enter a positive value if the image is on the other side from the lens and a negative value if the image is on the same side. HẢ ? s'2 Value Units %D Submit Request Answer Part B Calculate the image height. Express your answer to two significant figures and include the appropriate units. HA h' = Value Units %3D Submit Request Answer
- The observer in figure is positioned so that the far edge of the bottom of the empty glass (not to scale) is just visible. When the glass is filled to the top with water, the center of the bottom of the glass is just visible to the observer. Find the height, H, of the glass, given that its width is W=4.8cm. Express your answer using two significant figures.Luis is nearsighted. To correct his vision, he wears a diverging eyeglass lens with a focal length of -0.50 m. When wearing glasses, Luis looks not at an object but at the virtual image of the object because that is the point from which diverging rays enter his eye. Suppose Luis, while wearing his glasses, looks at a vertical 14-cm-tall pencil that is 2.0 m in front of his glasses.Part A A reflecting telescope (Figure 1) has a radius of curvature of 3.00 m for its objective mirror and a radius of curvature of -1.50 m for its secondary mirror. rea If the distance between the two mirrors is 0.92 m, how far in front of the secondary mirror should you place the electronic sensor to record the image of a star? ent Sharing ettings Express your answer to two significant figures and Include the approprlate units. e Tools HA ? d; = Value Units %3D Figure 1 of 1 Submit Request Answer < Return to Assignment Provide Feedback Secondary mirror Sensor