Sarah traveled by automobile from Ft
Lauderdale to Naples, Florida, a distance of
120 miles, at an average speed of 60 mi/h.
The time required was
a) 5000 hours.
b) 2.0 hours.
c) 0.50 hours.
d) 2.5 hours.
b
You might also like to view...
In an electromagnetic wave in free space, the field and fields are
A) parallel to one another and perpendicular to the direction of wave propagation. B) parallel to one another and parallel to the direction of wave propagation. C) perpendicular to one another and perpendicular to the direction of wave propagation. D) perpendicular to one another and parallel to the direction of wave propagation.
A 5.0-kg mass is placed at (3.0, 4.0) m, and a 6.0-kg mass is placed at (3.0, ?4.0) m. What is the moment of inertia of this system of masses about the x axis?
a. 280 kg·m2 b. 33 kg·m2 c. 176 kg·m2 d. 99 kg·m2 e. 44 kg·m2
Imagine that we place a dipole a distance r from a neutral atom, as shown below. 
A. A B. B C. C D. D E. Zero F. Other G. AA H. BB I. CC J. DD
A 2.5 cm-long horizontal wire segment has mass 0.15 g and carries a current sufficiently large that it levitates when the segment is in a region of B field upward with magnitude 1.5 T. The current is passed to the segment that is in the magnetic field by way of massless electrical leads. What is the magnitude of the current that the wire carries?
A. 39 mA B. 25 A C. 4.0 mA D. Not enough information is given.