CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 140: an event repeats every 1 h. Time for 2 cycles is:
A. 1 h
B. 2 h
C. 4 h
D. 3 h
Correct Answer: B
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 139: an event repeats every 20 h. Time for 11 cycles is:
A. 221 h
B. 220 h
C. 222 h
D. 219 h
Correct Answer: B
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 138: an event repeats every 19 h. Time for 10 cycles is:
A. 189 h
B. 190 h
C. 191 h
D. 192 h
Correct Answer: B
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 137: an event repeats every 18 h. Time for 9 cycles is:
A. 163 h
B. 162 h
C. 164 h
D. 161 h
Correct Answer: B
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 136: an event repeats every 17 h. Time for 8 cycles is:
A. 135 h
B. 136 h
C. 138 h
D. 137 h
Correct Answer: B
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 135: an event repeats every 16 h. Time for 7 cycles is:
A. 113 h
B. 112 h
C. 111 h
D. 114 h
Correct Answer: B
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 134: an event repeats every 15 h. Time for 6 cycles is:
A. 92 h
B. 90 h
C. 89 h
D. 91 h
Correct Answer: B
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 133: an event repeats every 14 h. Time for 5 cycles is:
A. 70 h
B. 72 h
C. 69 h
D. 71 h
Correct Answer: A
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 132: an event repeats every 13 h. Time for 4 cycles is:
A. 51 h
B. 52 h
C. 53 h
D. 54 h
Correct Answer: B
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 131: an event repeats every 12 h. Time for 3 cycles is:
A. 37 h
B. 36 h
C. 38 h
D. 35 h
Correct Answer: B
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 130: an event repeats every 11 h. Time for 2 cycles is:
A. 23 h
B. 24 h
C. 22 h
D. 21 h
Correct Answer: C
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 129: an event repeats every 10 h. Time for 11 cycles is:
A. 109 h
B. 112 h
C. 110 h
D. 111 h
Correct Answer: C
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 128: an event repeats every 9 h. Time for 10 cycles is:
A. 92 h
B. 89 h
C. 90 h
D. 91 h
Correct Answer: C
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 127: an event repeats every 8 h. Time for 9 cycles is:
A. 71 h
B. 73 h
C. 72 h
D. 74 h
Correct Answer: C
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 126: an event repeats every 7 h. Time for 8 cycles is:
A. 56 h
B. 58 h
C. 57 h
D. 55 h
Correct Answer: A
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 125: an event repeats every 6 h. Time for 7 cycles is:
A. 42 h
B. 44 h
C. 43 h
D. 41 h
Correct Answer: A
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 124: an event repeats every 5 h. Time for 6 cycles is:
A. 29 h
B. 32 h
C. 30 h
D. 31 h
Correct Answer: C
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 123: an event repeats every 4 h. Time for 5 cycles is:
A. 22 h
B. 20 h
C. 19 h
D. 21 h
Correct Answer: B
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 122: an event repeats every 3 h. Time for 4 cycles is:
A. 14 h
B. 12 h
C. 11 h
D. 13 h
Correct Answer: B
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 121: an event repeats every 2 h. Time for 3 cycles is:
A. 6 h
B. 5 h
C. 8 h
D. 7 h
Correct Answer: A
Total time=period×cycles.