Dr. Bullock General Physics 1 – Exam 1 Each question is worth 5 points distribute each point on one line of the scantron. Question 1-5 The SI standard of length is based on: A.the distance from the north pole to the equator along a meridian passing through Paris B.wavelength of light emitted by Hg198C.wavelength of light emitted by Kr86D.a precision meter stick in Paris E.the speed of light Question 6-10 1 mi is equivalent to 1609 m so 55 mph is: A.15 m/s B.25 m/s C.66 m/s D.88 m/s E.1500 m/s Question 11-15 Which of the following is closest to a yard in length? A.0.01m B.0.1m C.1m D.100m E. 1000m Question 16-20 A cubic box with an edge of exactly 1 cm has a volume of: A.10- 9m3B.10- 6m3C.10- 3m3D.103m3E.106m3Question 21-25 During a short interval of time the speed v in m/s of an automobile is given by v = at2+ bt3, where the time t is in seconds. The units of a and b are respectively: A.m · s2; m· s4B.s3/m; s4/m C.m/s2; m/s3D.m/s3; m/s4E.m/s4; m/s5
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