Equal currents of magnitude I travel into the page in wires M and N. Eight directions are indicated by letters A through H.
The direction of the magnetic field at point P is
A. B.
B. C.
C. D.
D. E.
E. F.
Answer: D
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A dog weighs 200 N. What is his approximate weight in pounds (lb)? (1 lb = 4.45 N)
A. 91 lb. B. 20 lb. C. 32 lb. D. 200 lb. E. 45 lb.
Shear Modulus: Opposing shearing forces of 3000 N are applied to the 4.00-cm × 5.00-cm faces of a metal block measuring 3.00 cm × 4.00 cm × 5.00 cm. By what amount does the block become slanted? The shear modulus for this metal is 8.10 × 1010 N/m2.
A. 1.54 × 10-6 m B. 5.56 × 10-7 m C. 9.88 × 10-7 m D. 3.08 × 10-6 m E. 6.98 × 10-6 m
What is the gauge pressure if the absolute pressure is 300 kPa?
A) 97 kPa B) 101 kPa C) 199 kPa D) 150 kPa E) 300 kPa
A thin spherical shell of radius 20.0 cm has 5.0 ?C of charge uniformly distributed over its surface. What is the magnitude of the electric field 2.00 m from the center of the sphere?
a. 
b. 
c. 
d. 
e. 0