A hypothesis is a very tentative explanation of some ______________ of nature
Fill in the blank(s) with correct word
regularity (or relationship)
You might also like to view...
Energy Density: At a particular point and instant, the magnetic field component of an electromagnetic wave is 15.0 ?T. What is the magnetic energy density of this wave at that point and instant? (c = 3.00 × 108 m/s, ?0 = 4? × 10-7 T ? m/A, ?0 = 8.85 × 10-12 C2/N ? m2)
A. 2.26 × 10-4 J/m3 B. 8.95 × 10-5 J/m3 C. 1.79 × 10-4 J/m3 D. 4.47 × 10-4 J/m3 E. 9.72 × 10-5 J/m3
An efficient wood-burning stove has an advantage over an open fireplace primarily because
a. combustion air intake is limited b. higher temperatures are reached c. creosote buildup is reduced d. most heat transfer occurs by radiation
The figure shows the orientation of a flat circular loop consisting of 50 closely wrapped turns each carrying a current I. The magnetic field in the region is directed in the positive z direction and has a magnitude of 50 mT. The loop can turn about the y axis. If ? = 20°, R = 0.50 m, and I = 12A, what is the magnitude of the torque
exerted on the loop?
a.
8.1 N ? m
b.
24 N ? m
c.
22 N ? m
d.
13 N ? m
e.
16 N ? m
Neutrinos are hard to detect because
A) they experience only the gravitational force. B) they move so fast. C) they experience only the weak force. D) they have such a small mass. E) All of the above.