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An object is placed 13 cm in front of a concave mirror whose focal length is 23 cm. The object is 2.7 cm tall. Determine (a) the location of the image, taking a real image as a positive value and a virtual image as a negative value. (b) Determine the height of the image, where an upright image will have a positive height and an inverted image will have a negative height.
A neighborhood transformer on the top of a utility pole transforms 14.0 kV 60.0 Hz alternating voltage down to 120.0 V to be used inside a house. how many turns does the primary coil have
A 10.0 kg ball rests suspended by the 5.0 m long weightless string. find The maximum deflection angle for the large ball
Two narrow slits 41 µm apart are illuminated with light of a wavelength 604 nm. What is the angle of the m=3 bright fringe in degrees.
A uniform electric field of magnitude 256 V/m is directed in the negative y direction. Through what potential difference did the charge move
A hotel elevator ascends 170 {rm m} with a maximum speed of 5.90 {rm m/s}. Its acceleration and deceleration both have the magnitude of 1.3 {rm m/s^2}.
A cylinder 0.150 in diameter rotates in a lathe at 620. What is the tangential speed of the surface of the cylinder
at a certain point in a horizontal pipeline the waters speed is 3.50ms and the gauge pressure is 1.80times104 pa .part
Consider a wide-gap degenerate n-type semiconductor with a bandgap of Eg=3.5 eV. Given a constant effective mass Mn*=0.2 m in the entire conduction band (i.e. a parabolic E-k relationship),
A major motor company displays a die-cast model of its first automobile, made from 5.60 kg of iron. To celebrate its hundredth year in business.
When you take a bath, how many kilograms of hot water (36.4°C) must you mix with cold water (14.4 °C) so that thetemperature of the bath is 32.8 °C? The total mass of water(hot plus cold) is 183 kg.
a student starting from rest slides down a water slide. on the way down a kinetic frictional force a nonconservative
What was the ray's angle of incidence on the diamond. What should be the magnitude of , so that the net work done by it and the kinetic frictional force is zero.
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