The magnetic field of the Earth is believed responsible for which of the following?

a. deflection of both charged and uncharged cosmic rays
b. deflection of charged cosmic rays
c. ozone in the upper atmosphere
d. solar flares


b

Physics & Space Science

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A CD has a diameter of 12.0 cm. If the CD starts from rest and has a constant angular acceleration of 0.600 then the total acceleration of a point 3.00 cm from the center of the CD after 1.30 sec is

A. 0.0256
B. 0.0306
C. 0.0415
D. 0.0472
E. 0.0502

Physics & Space Science

What method of extrasolar planet relies on the star getting brighter than usual and thenfainter again?

a) astrometry b) radial velocity c) direct imaging d) microlensing e) transits

Physics & Space Science

Exhibit 4-2

Newton approximated motion in a circle as a series of linear motions, as in the polygon below.



Assume that the particle moves at constant speed vA from A to B, and at constant speed vB from B to C.

Use this exhibit to answer the following question(s).


Refer to Exhibit 4-2. The direction of the acceleration, , at point B, is shown by the arrow in

a.
Physics & Space Science

How were the silver ions separated from the lead ions?

Physics & Space Science