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A solenoid 1.45 m long and3.10 cm in diameter carries a currentof 21.0 A. The magnetic field insidethe solenoid is 17.0 mT. Find the length of the wire forming the solenoid.
Describe the energy of a car driving up a hill. a. entirely kinetic b. entirely potential c. both kinetic and potential d. gravitational e. elastic Explain why
Rolled a sphere, hollow, and non-hollow cylinder down an inclined slope. What experimental problems would arise if they rolled too fast down the slope
Suppose the projectile is traveling 85.0 m/s at its maximum height of y = 272 m. Explain how much work has been done on the projectile by air friction?
A capacitor (capacitance C1) is connected across the terminals of an ac generator. Without changing the voltage or frequency of the generator, a second capacitor (capacitance C2) is added in series with the first one.
Two circular metal plates of radius 0.17 m and thickness 8.5 mm are used in a parallel plate capacitor. A gap of 1.7 mm is left between the plates, What is the capacitance of this capacitor
At every point on the surface of a sphere of radius 0.4 m the electric field is radially outward, with a magnitude of 20 N/C
As you are riding in a 1650kg car, you approach a hairpin curve in the road whose radius is 50m. The roadbed is banked inward at an angle of 10 degrees. What is the max speed at which you can go around the curve
Two 24 cm focal-length converging lenses are placed 16.50 cm apart. An object is placed 39.0 cm in front of one. Where would the final image formed by the second lens be located.
The lenses used in a compound microscope have powers of + 90 D and + 60 D . If a total magnification of -250 x is desired, what should be the distance between the two lenses
You push on the chair with a force of = 42.0 directed at an angle of 34.0 below the horizontal and the chair slides along the floorcalculate, Illustrate what is the magnitude of the normal force that the floor exerts on the chair.
One cubic meter (1.00 m3) of aluminum has a mass of 2.70 103 kg, and the same volume of iron has a mass of 7.86 103 kg. Find the radius of a solid aluminum sphere that will balance a solid iron sphere of radius 1.24 cm on an equal-arm balance.
A convex lens of focal length 10 cm is placed 40 cm in front of a concave lens of focal length 25 cm.A small object is placed 20 cm in front of the convex lens calculate the location of the final image relative to the second lens.
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