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A plane convex lens is made of glass (index1.62) with one flat surface and the other havinga radius of 11 cm.
What is the focal length of the lens?
Laser pulses of femtosecond (10-15 s) can be produced but is makes no sense of talking about color of such pulses. To appreciate this, calculate the time duration of a laser pulse whose range of frequency covers visible spectrum, 4.0x10^14 to 7.5x..
a charge experiences a 0.50- nforce in the positive direction a . if this charge is replaced with a charge find the
A truck tractor pulls two trailers, one behind the other, at a constant speed of 100 km/h. It takes 0.555s for the big rig to totally pass onto a bridge 450 m long. For what duration of time is all or part of the truck-trailer combination on the brid..
A major leaguer hits a baseball so that it leaves the bat at a speed of 28.0m/s and at an angle of 36.9 degrees above the horizontal. Calculate the horizontal component of the baseballs velocity
Three charges are on the y-axis. Two of the charges, each ?2q, are locatedy=±d, and the third charge, +4q, Derive an expression for the electric field at a point P on the x-axis
a bare cubical reactor of side a 314.16 cm is operating at a steady state power of 200 mw. if the origin is taken at
Hydrogen as water (H2O) is absolutely essential to life and it is present in all organic compounds. The charge of the proton q1 = 1.6*10-19 C The charge of the electron q2 = -1.6*10-19 C, What are the electric potentials on the electron location due..
An object is located 12 centimeter in front of a curved mirror. The magnification of the image is -3.0. Evaluate what the focal length of the mirror
A quantity of liquid water comes into equilibrium with the air in a closed container, without completely evaporating, at a temperature of 25.0 °C. How many grams of water vapor does 9 liters of the air contain in this situation? The vapor pressure..
A spring with a spring constant of 85 N/m is compressed a distance of 0.35 m from its relaxed position. By how much does the spring\'s potential energy change
a cylinder fitted with a movable piston contains ideal gas at 27degc pressure 0.50 x 105 pa and volume 1.25 m3. what
Explain three observations of Galileo which supported the Copernican Model and state also why they falsified the Ptolemaic/Aristotelian system.
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