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Supposing these numbers are for viewing an object an infinite distance away with minimum eyestrain, determine the focal length of each of the two lenses?
Determine the magnitude of the torque on the coil if the magnetic field makes an angle of 26° with the normal to the plane of the coil.
The problem examines effect of the horizontal stretch on zeros of the function. Graph f(x) = 4 - x^2. Mark zeros of f on the graph.
A magnetic force per unit length of 0.10 N/m acts on the conductor in the negative y-direction. Compute the magnitude and direction of the magnetic field in the area through which the current passes
The electron is accelerated via 2350 V from rest and then enters an area where there is a uniform 1.70 T magnetic field. Determine the maximum and minimum magnitudes of the magnetic force acting on
A laboratory electromagnet generates a magnetic field of magnitude 3.60 T. A proton moves via this field with a speed of 7.00*10^6 m/s. (i) Determine the magnitude of the maximum magnetic force whic
Whole-sale cost of each box of candy is $1.50. How many boxes should be sold each month to get the profit of at least $60? Graph revenue function.
A thin lens of a focal length 12.5 cm consists of a 5.0 cm tall object positioned 10 cm in front of it. Where will the image be made?
A 500 line/mm diffraction grating is illuminated through light of wavelength 510 m. Determine how many bright fringes are view on a 2.0-m-wide screen positioned behind the grating?
A concave mirror consist s of a object located 40cm in front of it. The image forms 60 cm in front of the mirror. Determine the focal length of the mirror?
Determine the intensity of busy street traffic when the decibel level is 70 db? Keep in mind that the threshold of hearing is 0 dB and consists of an intensity of 1.0 E-12 W/m2.
The item which cost $2 thirty years ago now costs $10. Determine the simple exponential function of form y about which models cost of item.
A stiff wire bent to the semicircle of radius a = 2cm is rotated at constant angular speed 40rev/s in a uniform 20mT magnetic field. Determine the i) frequency and ii) amplitude of the emf induced i
When the screen extends 90 cm to either side from the central maximum, determine how many bright fringes will become visible on it?
The olive is at the bottom of a glass of alcohol (n = 1.36), 6.69 cm below the surface. Above the alcohol is air. To a person in the air, who is directly above the olive, determine the apparent dept
Carry out following divisions, by using either long division or synthetic division, and write the answers as f(x)=q(x)d(x)+r(x).
An air track cart of 330g on a horizontal air track is joined to a string which goes over a pulley having a moment of inertia of 5.00e-6kg m^2 and a radius of 1.35cm. A mass of 255g suspends from th
A long straight wire is carrying a current of 2.4 A in an area where the magnetic field is perpendicular to the wire. When the magnetic field is 0.52 mT, determine the magnitude of the force on 3.0
Mass (m1), moving with the speed (v), consist of a head on elastic collision having a second mass (m2), which is 3 times the mass of the first object and is moving with the similar speed. Determine
A) An electron is moving at 2.5 x 10^6 m/s perpendicular to the 3.5 mT magnetic field. Determine the radius of its path?
Ffind degree of polynomial. Determine leading coefficient of polynomial and state whether it increases or falls at large negative and large positive values of x.
Compute the separation of the dark fringes. Determine how many dark fringes appear among the edge and the wire?
What time is needed to completely discharge the capacitor? The capacitor is completely discharged if the charge is less than 0.01 % that roughly corresponds to a time of 10τ.
The newspaper carries advertisements for CD rates/terms for 4 local banks. Calculate effective rates for each, rounding to nearest 0.01%. Which is better deal?
When the ball consists of a mass of 48g, compute the amount of the ball's original energy which was lost in the three impacts with the floor.