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When your fixture comprises of a 23 W compact fluorescent bulb at 120V, and your local power utility sells energy at 10 cents per kilowatt then determine how much will it cost to leave the bulb on f
Compute the integral E ds for each of the three dashed paths; i) Path 1 (corresponds to R1)
Create the 2x3 matrix A, not in echelon form, such that solution of Ax = 0 is a line in |R^3. Create the 2x3 matrix B, not in echelon form, such that solution of Ax = 0 is the plane in |R^3.
It is viewed that a tangential force of around 1.5N is needed to ‘twist’ the mass via a 20 degree angle. From its position, the mass is released and let to rotate. i) Determine the perio
Find out the power of the lens that consists of a focal length of 40 cm? Please illustrate computations and pick the best answer from below.
Find out the average rate at which electrical energy is dissipated (transformed to other forms) in the capacitor and (vi) in the inductor?
A jumper of 78 kg lands stiff-legged on the floor and modifies his velocity from –5 m/s to zero in 0.2 seconds. Calculate the average ground reaction force under his feet throughout this time
A uniform disk having radius 30 cm, thickness 3cm and mass 5 kg rotates at 10 rad/s around an axis parallel to the symmetry axis however .5 cm from that axis. Determine the total force on the bearin
A shortsighted person consists of a far point which is 4.2 m from his eye. Determine what focal length lenses he must use in his contact lenses to let him to focus on distant objects. Please illustr
Employing double-declining balance method, depreciation for 2011 and book value at December 31, 2011, would be?
Determine how far from a lens of focal length 50.0 mm should the object be positioned if it is to make a virtual image magnified in size by a factor of three?
A object is around 20 cm in front of the concave mirror and the image is around 5.0 cm in front of the mirror. Determine the focal length of the mirror.
The thickness of film is around 260 nm and is the minimum non-zero thickness for which constructive interference can take place. Determine the refractive index of the film?
The radius of curvature of the curved side of the plamo-convex lens made up of glass (having n =1.64) is 25 cm. Determine the focal length of the lens?
The light shining on a diffraction grating consists of a wavelength of 496 nm (in vacuum). The grating generates a second-order bright fringe whose position is stated by an angle of 8.22°. Deter
Use MATLAB to generate the 256x256 black image (0 values) with the 1-valued central block (white square) of 64x64 size.
The two plane mirrors forms an angle of 21 degrees. A light ray enters the system and is reflected once off each mirror. Via what angle is the ray turned?
Suppose that the light of wavelength 490 nm is being viewed. As well, suppose that diffraction effects, instead of atmospheric turbulence, limit the resolving power of the telescope.
A non-reflective coating having n = 1.38 covers the glass having n = 1.52 of a camera lens. Supposing that the coating prevents reflection of a specific wavelength (that is, wavelength (591nm)) find
Determine the efficiency of a machine which is driven by a falling wt of 25,000N for 10m when you get 125,000J out of the machine.
In how many different ways can we pair up all members of club? Write 3 different ways of counting this, describing each method.
Determine the magnitude of the water velocity at this point when the volume flow rate is 0.600 m^3/s ? (ii) At a second point in the pipe the water velocity consists of a magnitude of around 15.0 m/
A circular hole of 1.10 cm in diameter is cut in the side of a big water tank, 25.0 m beneath the water level in the tank. The top is open to the air. Compute (i) the speed of efflux; (ii) the volum
A tall object of around 4.5 cm is positioned 26 cm in front of the spherical mirror. You want to generate a virtual image which is upright and 3.5 cm tall. (i) What kind of mirror (concave or convex
The magnification of the object is around -3.0. Is the image on the similar side of the mirror as the object? Is the image virtual or real? Is the image upright or inverted? Is the mirror concave or