Suppose you live at latitude 40°N. What is the altitude and direction of the North Celestial Pole in your local sky?
A) 50°, due north
B) 40°, due north
C) It is on your zenith.
D) It is on your horizon, due north.
E) 50°, due south
B) 40°, due north
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Circular Motion of Charges: A doubly charged ion with speed 6.9 × 106 m/s enters a uniform 0.80-T magnetic field, traveling perpendicular to the field. Once in the field, it moves in a circular arc of radius 30 cm. What is the mass of this ion? (e = 1.60 × 10-19 C)
A. 11 × 10-27 kg B. 6.7 × 10-27 kg C. 3.3 × 10-27 kg D. 8.2 × 10-27 kg
A gas is placed in a container, which is immersed in an ice-water mixture as shown below
As the piston is slowly lowered, the temperature...
In the electron-wave model of the atom, the orbit of an electron in the ground state contains
A) a single wavelength. B) multiple wavelengths. C) even number quanta.
With a prime focus reflector, why is digital imaging much easier than using an eyepiece for visual work?
What will be an ideal response?