CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 160: an event repeats every 1 h. Time for 2 cycles is:
A. 4 h
B. 3 h
C. 2 h
D. 1 h
Correct Answer: C
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 159: an event repeats every 20 h. Time for 11 cycles is:
A. 219 h
B. 220 h
C. 221 h
D. 222 h
Correct Answer: B
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 158: an event repeats every 19 h. Time for 10 cycles is:
A. 190 h
B. 192 h
C. 189 h
D. 191 h
Correct Answer: A
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 157: an event repeats every 18 h. Time for 9 cycles is:
A. 164 h
B. 161 h
C. 163 h
D. 162 h
Correct Answer: D
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 156: an event repeats every 17 h. Time for 8 cycles is:
A. 136 h
B. 135 h
C. 138 h
D. 137 h
Correct Answer: A
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 155: an event repeats every 16 h. Time for 7 cycles is:
A. 112 h
B. 114 h
C. 111 h
D. 113 h
Correct Answer: A
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 154: an event repeats every 15 h. Time for 6 cycles is:
A. 89 h
B. 92 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 153: an event repeats every 14 h. Time for 5 cycles is:
A. 69 h
B. 71 h
C. 72 h
D. 70 h
Correct Answer: D
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 152: an event repeats every 13 h. Time for 4 cycles is:
A. 54 h
B. 52 h
C. 51 h
D. 53 h
Correct Answer: B
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 151: an event repeats every 12 h. Time for 3 cycles is:
A. 36 h
B. 35 h
C. 37 h
D. 38 h
Correct Answer: A
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 150: an event repeats every 11 h. Time for 2 cycles is:
A. 23 h
B. 24 h
C. 21 h
D. 22 h
Correct Answer: D
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 149: an event repeats every 10 h. Time for 11 cycles is:
A. 109 h
B. 112 h
C. 111 h
D. 110 h
Correct Answer: D
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 148: an event repeats every 9 h. Time for 10 cycles is:
A. 91 h
B. 89 h
C. 90 h
D. 92 h
Correct Answer: C
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 147: an event repeats every 8 h. Time for 9 cycles is:
A. 74 h
B. 73 h
C. 72 h
D. 71 h
Correct Answer: C
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 146: an event repeats every 7 h. Time for 8 cycles is:
A. 55 h
B. 57 h
C. 56 h
D. 58 h
Correct Answer: C
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 145: an event repeats every 6 h. Time for 7 cycles is:
A. 41 h
B. 42 h
C. 44 h
D. 43 h
Correct Answer: B
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 144: an event repeats every 5 h. Time for 6 cycles is:
A. 30 h
B. 29 h
C. 31 h
D. 32 h
Correct Answer: A
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 143: an event repeats every 4 h. Time for 5 cycles is:
A. 19 h
B. 22 h
C. 21 h
D. 20 h
Correct Answer: D
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 142: an event repeats every 3 h. Time for 4 cycles is:
A. 13 h
B. 14 h
C. 11 h
D. 12 h
Correct Answer: D
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 141: an event repeats every 2 h. Time for 3 cycles is:
A. 8 h
B. 5 h
C. 7 h
D. 6 h
Correct Answer: D
Total time=period×cycles.