The maximum permissible workday dose for occupational exposure to radiation is 26 mrem. A 55-kg laboratory technician absorbs 3.3 mJ of 0.40-MeV gamma rays in a workday. The relative biological efficiency (RBE) for gamma rays is 1.00
What is the ratio of the equivalent dosage received by the technician to the maximum permissible equivalent dosage?
A) 0.23
B) 0.25
C) 0.28
D) 0.30
E) 0.32
Answer: A
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Three forces, 14.0 N, 25.0 N, and 20.0 N, are acting on a 9.6-kg object. Which of the following forces could also be acting on the object if it is moving with constant velocity?
a. 1.0 N b. 17 N c. 30 N d. 5.0 N e. any of the above
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a. 2.0 N b. 5.0 N c. 1.0 N d. 3.6 N e. 3.0 N
A rifle bullet shot horizontally has a vertical acceleration of ______________
Fill in the blank(s) with correct word