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A double convex thin glass lens has equal radii of curvature. The focal length of the lens is +63.5 cm and the index of refraction of the glass is 1.52. The lens is replaced with a plano-convex glass lens of the same focal length and thickness. The radius of curvature of the convex surface is 13.0 cm. The index of refraction of the glass of the plano-convex lens is?
An airplane flying horizontally 3600 ft above the ground at 120mi/hh, drops relief aid on the ground. Resolve the angle between the vertical and the line joining plane and target at the instant when he package is released.
Some rear view mirrors produce images of cars behind you that are smaller than they would be if the mirror were flat. What is the mirrors radius of curvature if cars 25.0 m away appear 0.33 times their normal size?
A 0.350 m rod with uniform mass distribution runs along the x axis with its left end at the origin. A 1.80 m rod with uniform mass distribution runs along y axis with its top end at the origin. Find out the coordinates of the center of gravity for..
Find out the magnetic induction at a point
A 4.0 uF capacitor is connected in series with a 2.0 kilaOhm resistor across a 20-V DC source and an open switch. If the switch is closed at t=0 s, what is the charge on the capacitor at t= 9 ms
Write down the equation for a transverse sinusoidal wave with an amplitude of 2.5 cm and an angular frequency of 2.90 rad/s that is moving along the positive x-direction with a wave speed that is 5 times as fast as the maximum speed of a point on ..
Andy and Brad are lifting a 100 kg box to their apartment window using massless ropes. The ropes are tied to the same point on the box, Find the tensions in each rope.
One solenoid is centered inside another. The outer one has a length of 48.0cm and contains 6600 coils, What is the mutual inductance of these solenoids
An Australian emu is running due east in a straight line at a speed of 17.5 m/s and slows down to a speed of 12.2 m/s in 4.1 s. (a) What is the direction of the bird's acceleration? (b) Assuming that the acceleration remains the same, what is the ..
Wonder Woman and Superman fly to an altitude of 1650 km, carrying betwen them a chest full of jewels that they intend to put into orbit around Earth. At what speed does the chest impact the surface of the water
Two small identical conducting spheres are placed with their centers 0.78 m a part, The spheres are connected by a conducting wire, What is the electrostatic force between the two after equilibrium is reached
A cork on the surface of a pond bobs up and down two times per second on ripples having a wavelength of 8.80 cm. If the cork is 13.5 m from shore, how long does it take a ripple passing the cork to reach the shore?
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