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A near-sighted person might correct his vision by wearing diverging lenses with focal length f = 50 cm. When wearing his glasses, he looks not at actual objects but at the virtual images of those objects formed by his glasses. Suppose he looks at a 11-cm-long pencil held vertically 1.0 m from his glasses. Use ray tracing to determine the location and height of the image.
Consider two stars, A and B, whose parallaxes are, respectively: 0.01 arcsec and 0.005 arcsec. What are the distances to each star in parsecs
a 7.00 kg ball falls from a 2.00m shelf. Just as it hits the floor, what is its kinetic energy when it hits the floor
A boy is practicing tennis by hitting a ball at a wall. He hits the ball at 0.91 m above the ground. How high is the ball when it hits the wall
A 12.0 kg watermelon is at rest upon a ramp that is raised to an angle of 27.0o. find the vertical component of the force of gravity
q1. the bottom of a box has a surface area of 2.50 m2. the mass of the box is 51.5 kg. acceleration because of gravity
A classic 1957 Chevrolet Corvette mass 1240 kg starts fromrest, What is its radial acceleration at this time
A person with perfect pitch sits on a bus bench listening to the 451 Hz horn of an approaching car. If the person detects a frequency of 486 Hz, how fast is the car moving
What quantum number of the hydrogen atom comes closest to giving a 500-nm-diameter electron orbit, What is the electron's energy in this state
The pressure of sulfur dioxide (SO2) is 2.89 x 104 Pa. Find the translational rms speed of the sulfur dioxide molecules
A block of mass 5 kg hangs on a spring. When a second block with an identical mass of 5 kg is tied to the first, the spring stretches an additional ho = 1.5 m. What is the maximum speed attained by the remaining block
A point charge Q is trapped at the center of a thin-walled hollow conductive sphere of radius R, How much charge will collect on the inside surface of the hollow sphere
A 1.50 kg glider, attached to the end of an ideal spring with force constant k = 300 N/m, Compute the total mechanical energy of the glider
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