A concave mirror (R 56.0 cm) is used to project a transparent slide onto a wall. The slide is located at a distance of 31.0 cm from the mirror, and a small flashlight shines light through the slide and onto the mirror. The setup is similar to that in Figure 25.18a. (a) How far from the wall should the mirror be located? (b) The height of the object on the slide is 0.95 cm. What is the height of the image? (c) How should the slide be oriented, so that the picture on the wall looks normal? 2
tran (mmt2449) – Homework 02 – yao – (56695) 1 This print-out should have 27 questions. A river has a steady speed of 0.342 m/s . A Multiple-choice questions may continue on student swims upstream a distance of 1.5 km the next column or page – find all choices and returns to the starting point. before answering. If the student can swim at a speed of 1.31 m/s in still water, how long does the 001 10.0 points trip take An escalator is 19.8 m long. If a person stands on the escalator, it takes 42.9 s to ride fromCorrect answer: 2457.58 s. the bottom to the top. If a person walks up the moving escalator Explanation: