What centripetal acceleration is required to follow a circular path with a radius of 50 m at a speed of 20 m/s?
a. 6 m/s²
b. 2 m/s²
c. 8 m/s²
d. 4 m/s²
Ans: c. 8 m/s²
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A rod with a diameter of 2.00 mm projects 20.0 mm horizontally outward from a wall. A 10.0 N weight is hung from the end of the rod and the rod deflects downward by 
The shear modulus of the rod is
a. 
b. 
c. 
d. 
e. 
Suppose that at a certain instant of time, the wave function shown below describes a certain quanton’s state. If we were to perform an experiment to locate the quanton, what would be the least likely result or results within the graph’s range? 
A. 
B. 
C. 
D. 
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Answer the following statement true (T) or false (F)
Three 4.00-? resistors are connected in parallel to a 10.4-V battery. What is the current in any one of the resistors?
a. 14.4 A b. 6.76 A c. 2.60 A d. 41.6 A e. 6.40 A