A 1.10-kg wrench is acting on a nut trying to turn it. The length of the wrench lies directly to the east of the nut. A force 150.0 N acts on the wrench at a position 15.0 cm from the center of the nut in a direction 30.0° north of east
What is the magnitude of the torque about the center of the nut? A) 22.5 N?m
B) 11.3 N?m
C) 19.5 N?m
D) 2250 N?m
E) 1949 N?m
B
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A metal bar is 20 cm long and has a rectangular cross-section measuring 1.0 cm × 2.0 cm. What is the voltage drop along its length when it carries a 4000-A current? The resistivity of the metal is 1.68 × 10-8 ? ? m
A) 0.067 V B) 0.67 V C) 0.034 V D) 0.34 V
A 2.00-kg object moves with constant velocity 3.00 m/s toward the east. Two forces act on the object. The first is a 40.0 N force toward the west. What is the second force that acts on the object?
A) 23.0 N east B) 40.0 N east C) 26.7 N east D) 46.0 N east E) 46.0 N west
If is about 30 
?
A. Roughly zero
B. Roughly 
/30
C. Roughly /1.4
D. Roughly
E. Roughly 1.4
F. Roughly 30
T. Other (specify)
Which of the following is the file extension for Google's bitmap image format?
A. .psd B. .bmp C. .jpg D. .webp