CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 280: an event repeats every 1 h. Time for 2 cycles is:
A. 3 h
B. 4 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 279: an event repeats every 20 h. Time for 11 cycles is:
A. 220 h
B. 222 h
C. 219 h
D. 221 h
Correct Answer: A
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 278: an event repeats every 19 h. Time for 10 cycles is:
A. 192 h
B. 189 h
C. 190 h
D. 191 h
Correct Answer: C
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 277: 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 276: 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 275: an event repeats every 16 h. Time for 7 cycles is:
A. 111 h
B. 112 h
C. 114 h
D. 113 h
Correct Answer: B
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 274: an event repeats every 15 h. Time for 6 cycles is:
A. 90 h
B. 89 h
C. 91 h
D. 92 h
Correct Answer: A
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 273: 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 272: an event repeats every 13 h. Time for 4 cycles is:
A. 53 h
B. 52 h
C. 51 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 271: an event repeats every 12 h. Time for 3 cycles is:
A. 36 h
B. 38 h
C. 35 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 270: an event repeats every 11 h. Time for 2 cycles is:
A. 24 h
B. 21 h
C. 23 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 269: an event repeats every 10 h. Time for 11 cycles is:
A. 110 h
B. 111 h
C. 109 h
D. 112 h
Correct Answer: A
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 268: an event repeats every 9 h. Time for 10 cycles is:
A. 92 h
B. 91 h
C. 90 h
D. 89 h
Correct Answer: C
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 267: an event repeats every 8 h. Time for 9 cycles is:
A. 71 h
B. 74 h
C. 73 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 266: an event repeats every 7 h. Time for 8 cycles is:
A. 55 h
B. 57 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 265: 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 264: an event repeats every 5 h. Time for 6 cycles is:
A. 32 h
B. 29 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 263: an event repeats every 4 h. Time for 5 cycles is:
A. 20 h
B. 19 h
C. 22 h
D. 21 h
Correct Answer: A
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 262: an event repeats every 3 h. Time for 4 cycles is:
A. 12 h
B. 13 h
C. 14 h
D. 11 h
Correct Answer: A
Total time=period×cycles.
CSS - PMS - CCE - PCS - Everyday Science
EarthSpace and Scientific Instruments
Earth/space timing practice 261: an event repeats every 2 h. Time for 3 cycles is:
A. 8 h
B. 6 h
C. 7 h
D. 5 h
Correct Answer: B
Total time=period×cycles.