It requires 0.30 kJ of work to fully drive a stake into the ground. If the average resistive force on the stake by the ground is 828N how long is the stake?
A) 0.23 m B) 0.31 m C) 0.41 m D) 0.36 m
D
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Exhibit 17-1
The figure below shows a sine wave at one point of a string as a function of time.
?
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Use the exhibit to answer the following question(s).
Refer to Exhibit 17-1. Which of the graphs below shows a wave where the amplitude and the frequency are doubled?
A.
B.
C.
D.
E.
A copper ball with a diameter of 5.00 cm is subjected to a pressure of 
The bulk modulus for copper is 
What is the bulk strain?
A. 
B. 
C. 
D. 
E. 
An object is moving with constant non-zero acceleration along the +x-axis. A graph of the velocity in the x direction as a function of time for this object is
A) a horizontal straight line. B) a vertical straight line. C) a straight line making an angle with the time axis. D) a parabolic curve.
Charge A has 10 electric field lines coming out, charge B has 20 lines coming out, and charge C has 30 lines coming in. Which pair of these charges will have the largest force between them if placed one cm apart?
a. A and B c. More information is needed. b. B and C d. C and A