Answer the following statement(s) true (T) or false (F)
If the two slits in a two-slit interference experiment are so far apart that their diffraction patterns do not overlap, the pattern displayed is consistent with a particle model of light
TRUE
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Quasars are most common with red shifts
a. less than 0.1 b. less than 0.5 c. of about 2 d. greater than 6 e. greater than 8
Arthur and Betty start walking toward each other when they are 100 m apart. Arthur has a speed of 3.0 m/s and Betty has a speed of 2.0 m/s
Their dog, Spot, starts from Arthur's side at the same time and runs back and forth between them. By the time Arthur and Betty meet, what is Spot's displacement?
A 2.0-kg object has a velocity of 
m/s at t = 0. A constant resultant force of 
then acts on the object for 3.0 s. What is the magnitude of the object's velocity at the end of the 3.0-s interval?
A. 9.2 m/s B. 6.3 m/s C. 8.2 m/s D. 7.2 m/s E. 7.7 m/s
Point charges of equal magnitudes (25 nC) and opposite signs are placed on (diagonally) opposite corners of a 60-cm × 80-cm rectangle. If point A is the corner of this rectangle nearest the positive charge and point B is located at the intersection of the diagonals of the rectangle, determine the potential difference, VB ? VA
a. ?47 V b. +94 V c. zero d. ?94 V e. +47 V