Using an angle of 30
to supply the force required to slide a box along a floor with a coefficient of friction of 0.30, which would require the least force to move it?
A. pull it with a rope
B. push it
C. either push or pull
D. not enough information to solve
A. pull it with a rope
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A. a very small radius B. a very small mass C. a very low velocity D. a very large radius
Newton's law of gravitation applies to all ______________
Fill in the blank(s) with the appropriate word(s)
A light ray, traveling parallel to the axis of a convex thin lens, strikes the lens near its midpoint. After traveling through the lens, this ray emerges traveling obliquely to the axis of the lens
A) such that it never crosses the axis. B) crossing the axis at a point equal to twice the focal length. C) crossing the axis at a point equal to one-half the focal length. D) passing between the lens and its focal point. E) passing through its focal point.
A magnetic dipole antenna is set up due west of a radio installation that utilizes an electric dipole antenna as a transmitter. What should the orientation of the antenna be used?
A. east-west B. horizontal C. north-south D. Unable to answer given the information. E. vertical