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A mirror has a focal length of 10 cm. An object is located 15 cm to the left of the mirror.
1. Draw the ray diagram for this set-up.
2. Where is the image located?
3. Is the image real or virtual?
4. What is the magnification of the image?
5. If now a lens of focal length 20 cm is placed 20 cm to the left of the mirror, find the locations of the images formed?
6. What is the total magnification for the two images?
7. Describe the images, ie are they real or virtual, upright or inverted?
Electron microscopy has proved invaluable for investigations of viruses, cell membranes and subcellular structures, bacterial surfaces, visual receptors, chloroplasts, and the contractile properties of muscles. The "lenses" of an electron microsco..
Find the mass flow rate in through the vent in question #1 using the following well-known relationship for the mass flow into an opening:
A gardener pushes a box of tools across a driveway by applying a 22.5- N force that pushes downward at an angle of 23.1 o, How much work is done if the box moves 2.55 m in the horizontal direction
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Blood pressure is normally taken on the upper arm at the level of the heart, what would be the magnitude of the difference between this measurement of blood pressure and a normal blood pressure measurement
Explain how much force must you exert to keep the pole motionless and horizontal?
According to the Guinness Book of World Records (1990 edition, p. 169), the highest rotary speed ever attained was 2010 m/s (4500 mph). The rotating rod was 15 cm (5.9 in) long. Imagine the speed quoted is that of the end of the rod.
During a snowball fight, two snowballs travelling towards each other collide head-on. The first is moving east at a speed of 15.3 m/s and has a mass of 0.450 kg, What is the mass of the second snowball
A steel cable with total length 59 m and mass 110 kg is connected to two poles. The tension in the cable is 1,260 N, and the wind makes the cable vibrate with a frequency of 2 Hz. Calculate the wavelength of the resulting wave on the cable
Electromagnetic waves and sound waves can have the same frequency. What is the wavelength of 1.10 kHz ectromagnetic wave
A 12 kg weather rocket generates a thrust of 250 N. The rocket, pointing upward, is clamped to the top of a vertical spring. The bottom of the spring, whose spring constant is 560 N/m, is anchored to the ground. What is the rocket's speed while the s..
If each rock strikes the fixture travelling at 10.0 {rm m}/{rm s} horizontally and rebounds at 2.00 {rm m}/{rm s} backwards, how high above the lowest point does collision make your light fixture swing?
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