CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 240: an event repeats every 1 h. Time for 2 cycles is:
A. 2 h
B. 1 h
C. 4 h
D. 3 h
Correct Answer: A
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 239: an event repeats every 20 h. Time for 11 cycles is:
A. 221 h
B. 222 h
C. 219 h
D. 220 h
Correct Answer: D
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 238: an event repeats every 19 h. Time for 10 cycles is:
A. 190 h
B. 192 h
C. 191 h
D. 189 h
Correct Answer: A
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 237: an event repeats every 18 h. Time for 9 cycles is:
A. 162 h
B. 161 h
C. 164 h
D. 163 h
Correct Answer: A
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 236: an event repeats every 17 h. Time for 8 cycles is:
A. 137 h
B. 138 h
C. 135 h
D. 136 h
Correct Answer: D
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 235: 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 234: an event repeats every 15 h. Time for 6 cycles is:
A. 92 h
B. 89 h
C. 91 h
D. 90 h
Correct Answer: D
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 233: an event repeats every 14 h. Time for 5 cycles is:
A. 70 h
B. 69 h
C. 72 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 232: an event repeats every 13 h. Time for 4 cycles is:
A. 52 h
B. 54 h
C. 53 h
D. 51 h
Correct Answer: A
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 231: an event repeats every 12 h. Time for 3 cycles is:
A. 36 h
B. 35 h
C. 38 h
D. 37 h
Correct Answer: A
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 230: an event repeats every 11 h. Time for 2 cycles is:
A. 23 h
B. 22 h
C. 24 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 229: an event repeats every 10 h. Time for 11 cycles is:
A. 109 h
B. 111 h
C. 110 h
D. 112 h
Correct Answer: C
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 228: an event repeats every 9 h. Time for 10 cycles is:
A. 89 h
B. 91 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 227: an event repeats every 8 h. Time for 9 cycles is:
A. 74 h
B. 73 h
C. 71 h
D. 72 h
Correct Answer: D
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 226: an event repeats every 7 h. Time for 8 cycles is:
A. 57 h
B. 55 h
C. 58 h
D. 56 h
Correct Answer: D
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 225: an event repeats every 6 h. Time for 7 cycles is:
A. 43 h
B. 42 h
C. 44 h
D. 41 h
Correct Answer: B
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 224: an event repeats every 5 h. Time for 6 cycles is:
A. 29 h
B. 31 h
C. 30 h
D. 32 h
Correct Answer: C
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 223: an event repeats every 4 h. Time for 5 cycles is:
A. 21 h
B. 19 h
C. 20 h
D. 22 h
Correct Answer: C
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 222: an event repeats every 3 h. Time for 4 cycles is:
A. 14 h
B. 11 h
C. 12 h
D. 13 h
Correct Answer: C
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 221: an event repeats every 2 h. Time for 3 cycles is:
A. 6 h
B. 8 h
C. 7 h
D. 5 h
Correct Answer: A
Total time=period×cycles.