What is the difference between homogeneity and isotropy?
What will be an ideal response?
Think of a dart board. Isotropy is radial lines radiating outward from the center, but a radial line does not have to be constant along that line. However, every radial line must change by the same amount along the radial line. Homogeneous is angular so think the rings of the dart board. Adjacent rings of the dart board can be different but the space within each ring has to be the same.
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A deuteron is accelerated from rest through a 10-kV potential difference and then moves perpendicularly to a uniform magnetic field with B = 1.6 T. What is the radius of the resulting circular path? (deuteron: m = 3.3 × 10^?27 kg, q = 1.6 × 10^?19 C)
a. 19 mm b. 13 mm c. 20 mm d. 10 mm e. 9.0 mm
List the three common states of matter in order from the state with the fastest-moving particles to the state with the slowest-moving particles.
A) solid B) liquid C) gas D) none of the above
We know that orbital changes causes changes in ice cover because they occur simultaneously
What will be an ideal response?
The figure shows a cross section of three parallel wires each carrying a current of 5.0 A out of the paper. If the distance R = 6.0 mm, what is the magnitude of the magnetic force on a 2.0-m length of any one of the wires?
a.
2.5 mN
b.
3.3 mN
c.
2.2 mN
d.
2.9 mN
e.
1.7 mN