Question: A camera is supplied with two interchangeable lenses, whose focal lengths are 48.0 and 120.0 mm. A woman whose height is 1.40 m stands 9.50






A camera is supplied with two interchangeable lenses, whose focal lengths are 48.0 and 120.0 mm. A woman whose height is 1.40 m stands 9.50 m in front of the camera. What is the height (including sign) of her image on the image sensor, as produced by (a) the 48.0- mm lens and (b) the 120.0-mm lens? (a) Number Units m (b) Number i Units mCurrent Attempt in Progress The drawing shows three point charges fixed in place. The charge at the coordinate origin has a value of q1 = +8.00 JC; the other two charges have identical magnitudes, but opposite signs: q2 = -5.00 JC and q3 = +5.00 JC. (a) Draw the free-body diagram showing the forces that act on the point charge q1. (b) Determine the net force (magnitude and direction) exerted on q1 by the other two charges. (c) If q1 had a mass of 1.50 g and it were free to move, what would be its acceleration? ty 92 1.30 m 25.0 --+x 91 1 25.0- 1.30 m - -43(a) Draw the free-body diagram showing the forces that act on the point charge q1. Use the checkboxes to select the correct vectors as instructed above. Move the vectors to the correct starting points and orient them in the correct direction as instructed. Key to Force Labels F12 V F12 = Force exerted on q1 by 92 F13 F13 = Force exerted on q1 by 93 FN = Normal force FN T = Tension force f = Friction force T Draw free-body diagram here
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