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L'AQUILA, Italy - A strong earthquake struck central Italy early Monday, killing many people, causing buildings to collapse and sending thousands of panicked residents into the...Flash - Video
Learn how to chart magnitude in this video.Flash - Video
"When people's lives are at risk I don't see how you can possibly overreact, we take the advice of the State Emergency Service, if they are telling us lives are at risk we'll...MPEG 4 - Video
A strong, 5.4-magnitude earthquake has rattled wide parts of the Midwest. 4/2008 APWindows Media - Video
Caught On Tape: Watch WBBM-TV's coverage of an earthquake that occurred 240 miles south of Chicago, near Evansville, Ind. at about 4:30 a.m., ET. No injuries or damage reported...Flash - Video
magnitude?tingerpooFirst you should draw a free-body diagram to determine the forces acting on the crate. In this problem, there are only two forces acting horizontally on the crate: the horizontal component of the ext...
How much larger is a magnitude 8 earthquake than a magnitude 6?g13playerTo sum up with the previous person said, a magnitude 8 is 100x greater shaking than a magnitude 6. There is ~900x the amount of energy released in an 8 than a 6.
What is the magnitude of the horizontal part of the contact force on the shaker by the turntable?ariddlegirla) Fh = mV²/r = .086*.6594²/.21 N
b) Fv = m*g = .086*9.8 N
Extra credit: Coefficient of static friction = Fh/Fv
What is the magnitude of the magnetic momeny of the coil?elf455Part 1:
µ = NIA = 15 turns x 2 A x (π x (0.01 m)²) = 9.42 x 10^-3 A·m²
Part 2:
τ = µ x B = (9.42 x 10^-3 A·m²) x 0.3 T = 2.83 x 10^-3 N·mWhat is the magnitude of the magnetic force?krystal_micheleF = B x I Vector cross product
F= BqvSin(theta)
In the first case Theta is 90 degrees
in the second it is 40.1 degrees.
Use the equation twice, eliminate Bqv, to get the second force.
Don...
