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Determine the potential difference across a 100 m length of copper wire which consists of a diameter of 0.5 mm if it carries a current of 15 A? The resistivity of copper is around1.7 x 10-8 Ohm m.
At the Crook Creek club cost are $2600.00 per year and $35.00 per round with the $5.00 cart rental. How many rounds of golf would need to play per year for cost to be equal at both clubs?
A charge of -2.0 nC and a charge of +2.0 nC are positioned on the x-axis at x = -1.0 cm and x = +1.0 cm, correspondingly. i) At what position or positions on the x-axis is the electric field zero?
determine: (i) the reactance of the capacitor and the inductor (ii) the impedance (iii) the rms current (iv) the current amplitude (v) the phase angle
They give you option of receiving the base salary of $400 plus 4% commission, or you can get the straight 18% commission. Find amount of sales required for both options to result in same salary.
A wire of diameter 1 mm consists of a resistance of 0.5 ohm. Determine the resistance of the other wire of the similar material and the similar length but of diameter 0.5 mm?
The magnification M of image is calculated by employing a small viewing telescope which permits a comparison of the image formed by the cornea with a second calibrated image projected into the field
The two astronauts on opposite ends of a spaceship are comparing lunches. One consists of an apple, the other has an orange. They decide to trade.
Second shipment contained 350 baseballs and 400 softballs and total cost for shipment was $3075. How much did we pay for every baseball and for every softball?
Determine the period of motion of the proton (determine how much time does it take for the proton to travel a circle once)?
Determine the difference in radius of curvature of the motion of singly ionized 35Cl and 37Cl when the mass of the 35Cl is 5.87 x 10-26 kg?
A 35 turn circular coil of length 6.5 cm generates a magnetic field of magnitude 2.4 mT at its center. Determine the current in the loop.
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