02/12/15

At what angle will .........
A golfer on a level fairway hits a ball at an angle of 23° to the horizontal that travels 105 yd before striking the ground. He then hits another ball from the same spot with the same speed, but at... more
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02/08/15

Find the position and height of the final image
 An object 4 cm high is 120 cm from a converging lens of 40 cm focal length. A diverging lens of focal length –100 cm is placed 20 cm beyond the converging lens. Find the position and height of the... more
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Expert Answers •1

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