The sum of two vectors has the smallest magnitude when the angle between these two vectors is
What will be an ideal response?
180 degrees
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Displacement: An object moves 15.0 m north and then 11.0 m south. Find both the distance it has traveled and the magnitude of its displacement.
A. 4.0 m, 26.0 m B. 26.0 m, 4.0 m C. 26.0 m, 26.0 m D. 4.0 m, 4.0 m
The work done in moving a positive charge against an electric field does not depend on the path chosen in moving the charge in that field. Based on the statement, what kind of force field is the electrostatic field?
A) discrete B) quantized C) polarized D) conservative E) nonconservative
What is the minimum thickness of a nonreflecting film coating (n = 1.30 ) on a glass lens (n = 1.50 ) for wavelength 500 nm?
A) 250 nm B) 221 nm C) 192 nm D) 167 nm E) 96.2 nm
Find the pressure in atmospheres in the water at the base of Dworshak Dam if the water in the reservoir is 200 meters deep. (1.01 × 10^5 N/m2 = 1 atm.)
a. 20.4 atm b. 24.7 atm c. 29.4 atm d. 194 atm e. 75 atm