You stand near the earth's equator. A positively charged particle that starts moving parallel to the surface of the earth in a straight line directed east is initially deflected upwards. If you know there are no electric fields in the vicinity, a possible reason why the particle does not initially acquire a downward component of velocity is because near the equator the magnetic field lines of the
earth are directed
a. upward. b. downward. c. from south to north.
d. from north to south.
e. from east to west.
C
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A coil lies flat on a horizontal tabletop in a region where the magnetic field points straight down. The magnetic field disappears suddenly
When viewed from above, what is the direction of the induced current in this coil as the field disappears? A) counterclockwise B) clockwise C) clockwise initially, then counterclockwise before stopping D) There is no induced current in this coil.
Contrast the observed visible mass of the Galaxy with its suspected total. Explain the difference
What will be an ideal response?
The wavelength of a wave divided by the frequency of the wave is the wave's speed
a. True b. False Indicate whether the statement is true or false
An average lapse rate of 2.7 °F/1000 ft is equivalent to
a. 1.5 °C/m. b. 4.0 °C/1000 ft. c. 5.0 °C/km. d. 6.5 °C/1000 m.