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The electromagnetic wave that delivers a cellular phone call to a car has a magnetic field with an rms value of 1.20 10-10 T. The wave passes perpendicularly through an open window, the area of which is 0.20 m2. How much energy does this wave carry through the window during a 65-s phone call?
Describe the characteristics of the pH scale. Compare and contrast acids and bases. Provide examples of some of the products that you know are basic and acidic in nature
A neutron collides elastically with a helium nucleus (at rest initially) whose mass is four times that of the neutron. What is the speed of the helium nucleus after the collision
The mass of Venus is 80% that of Earth while its radius is 95% that of Earth. What is the value of the acceleration due to gravity on Venus
An open plastic soda bottle with an opening diameter of 2.2cm is placed on a table. find the total magnetic flux through the plastic of the soda bottle
Consider an airplane of wing area 6.8 m^2 (both wings combined) flying through air of density 1.13 kg/m^3. What is the net upward lift force on the plane
Knowing the temperature at the surface of the Earth to be 72 F, find the temperature at the surface of Venus. ( show your work step by step.)
A solenoid of radius 4.0 cm has 300 turns and a lenght of 25 cm. What is the inductance of the Coil?
A nuclear power plant generates waste thermal energy at a rate of 1000 MW = 1000 × 106 W. Assume the heat of vaporization of a water is 2.256× 106 J/kg. How much water must evaporate to cool the plant per day
To develop muscle tone, a woman lifts a 4.50 kg mass held in her hand. She uses her biceps muscle to flex the lower arm through an angle of 60.0°. How much work does she do
a student is reading material written on a blackboard. her contact lenses have a refractive power of 57.50 diopters; the lens to retina distance is 1.750cm. how far in meters is the blackboard from her eyes
A resistor draws 12mW when placed acriss the terminals of a 1.5V battery, Determine the current drawn by the resistor
One afternoon, a couple walks three-fourths of the way around a circular lake, the radius of which is 1.61 km. What is the direction of the couples displacement
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