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1. A reflecting, spherical Christmas tree ornament has a diameter of 9.0 cm. A child looks at the ornament from a distance of 24 cm.Describe the image she sees. Where is the image located
2. A spherical concave lens has a focal length of 40 cm, and an object is placed 20 cm from the lens. Draw a ray diagram. (Submit a file with a maximum size of 1 MB.) Estimate the image distance.
3. Sketch a ray diagram for a spherical convex lens with an object at Do = 2f. (Submit a file with a maximum size of 1 MB.)
A diver springs upward with an initial speed of 2.19 m/s from a 3.0-m board. What is the highest point he reaches above the water
A 60.0 gram golf ball is dropped from a height of 2.00 meters. how much energy did the ball lose
As you sit facing your computer screen, electrons are directed from a source at the back of the computer toward you and are deflected by a magnetic field. Which direction must the magnetic field be oriented in order to direct the electrons to the ..
A flight attendant pulls her 63N flight bag a distance of 308m along a level airport floor at a constant velocity. The force she exerts is 45N at an angle of 57° above horizontal. Find the work she does on flight bag.
A stretched rubber band has the length of 0.04 m and a fundamental frequency of 462 Hz. What is the speed at which waves travel on the rubber band.
The equation of a transverse wave on a string is y = (2.0 mm) sin[(19 m-1)x - (625 s-1)t]. The tension in the string is 11 N. Find the linear density of this string
a 600 ton Boeing business jet is flying at 500 mph at a constant altitude of 35,00 ft. what is the lifting force acting on the jet provided by the air
A wooden block of mass M = 0.170 kg is placed on a wooden inclined board 0.930 m long and raised to a height h1 = 0.050 m at the lower end and h2 = 0.080 m at the upper end, Draw the FBD of the block on the plane. Calculate work done on the block ..
A wooden dowel (cylinder) has a diameter of 2.20 cm. Determine the density of the dowel
The time constant of an RL circuit with L = 25 mH is five times the time constant of an RC circuit with C = 40 µF. What is the time constant of the RL circuit
A 1050 kg car carrying four 84 kg people travels over a rough "washboard" dirt road with corrugations 4m apart which causes the car to bounce on its spring suspension. The car bounces with maximum amplitude while its speed is 24km/h. The car now s..
Two electrons in an atom are separated by 1.5 × 10^?10 m, the typical size of an atom, What is the force between them
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