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When an object is located very far away from a convex mirror, the image of the object is 14.0 cm behind the mirror. Using a ray diagram drawn to scale, decide where the image is located when the object is placed 2.3 cm in front of the mirror. Note that the mirror should be drawn to scale also. In your drawing, suppose that the height of the object is 3.0 cm.
although they dont have mass photons-traveling at the speed of light-have momentum. space travel experts have thought
assume you would enter a vacuum chamber (on Earth), that is, a chamber with no air in it. Inside this chamber, if you dropped a hammer and a feather from the same height at the same time, both would hit the bottom at the same time.
Standing on a sidewalk, you notice that you are halfway between a clock tower and a large building. When the clock strikes the hour, you hear an echo of the bell 0.8 s after hearing it directly from the tower. How far apart are the clock tower and th..
A ball is thrown straight up in the air at an initial speed of 30 m/s. find the maximum height of the ball
The earth's magnetic field is approximately 30 microTesla. An AC transmission wire carries a current of 10 A (RMS). What is the peak current in the wire? What is the maximum force per meter in the wire?
How the system comes to thermal equilibrium
A white billiard ball with mass mw = 1.48 kg is moving directly to the right with a speed of v = 3.05 m/s, what is the final speed of the black ball
A Carnot engine has 40 g of Helium gas as its working substance. Calculate the work generated by this engine during one cycle
You are using the 10 cc syringe and the 50 cc syringe. The masses of the 10 cc piston and 50 cc piston are 15.2 g and 60.6 g, respectively. What is the predicted slope
A baseball is thrown from the roof of 23.5 m-tall building with an initial velocity of magnitude 10.6 m/s and directed at an angle of 52.5 degrees above the horizontal. What is the speed of the ball just before it strikes the ground
Integrated circuits are manufactured in vacuum chambers in which the air pressure is 6.00×10?11 mm of Hg, determine the mean free path of a molecule
An object suspended from a spring vibrates with simple harmonic motion. At an instant when the displacement of the object is equal to one-half the amplitude, what fraction of the total energy of the system is kinetic
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