A diamond is said to have "fire" because of ______________
Fill in the blank(s) with correct word
dispersion
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Answer the following statement true (T) or false (F)
Why aren't small asteroids spherical in shape?
A) The strength of gravity of small asteroids is less than the strength of the rock. B) Small asteroids have odd shapes because they were all chipped off larger objects. C) Large asteroids became spherical because many small collisions chipped off pieces until only a sphere was left; this did not occur with small asteroids.
A proton moves through a magnetic field of magnitude 1.40 T with speed 5.00 ´ 106 m/s. What is the magnitude of the maximum acceleration of the proton? The mass of a proton is 1.67 ´ 10–27 kg, and its charge is 1.6 ´ 10–19 C.
a. 3.42E+14 m/s
b. 6.71E+14 m/s
c. 3.35E+21 m/s
d. 1.71E+21 m/s
What is the magnitude of the magnetic field at point P in the figure if a = 2.0 cm, b = 4.5 cm, and I = 5.0 A?
A. 87 ?T, into the paper B. 87 ?T, out of the paper C. 0.23 mT, out of the paper D. 0.23 mT, into the paper E. 23 ?T, into the paper