Q&A Hero

Physic

Q: On a computer, a megabyte of memory is ______________ bytes.
Q: SI stands for the ______________ of units.
Q: Time is sometimes thought of as a fourth dimension of ______________.
Q: In the metric mks system of units, the letter s stands for ______________.
Q: In the metric mks system of units, the letter m stands for ______________.
Q: In the metric mks system of units, the letter k stands for ______________.
Q: An object's mass would be the same on Earth and on the Moon, but its ______________ would be different.
Q: An object's ______________would be the same on Earth and on the Moon, but its weight would be different.
Q: ______________ is a measurement of the quantity of matter.
Q: ______________ is the continuous forward flow of events.
Q: The measurement of space in any direction is called ______________.
Q: The three fundamental quantities studied in Chapter 1 are length, mass, and ______________.
Q: A proposed concept or model of nature is tested using the ______________.
Q: A(n) ______________ is a tested explanation of a broad segment of basic natural phenomena.
Q: A hypothesis is a very tentative explanation of some ______________ of nature.
Q: The scientific method holds that no theory is valid unless its predictions are in accord with ______________.
Q: A scientific law is a concise statement that describes a(n) ______________ of nature.
Q: The natural sciences are divided into physical sciences and ________________ sciences.
Q: The natural sciences are divided into ______________ sciences and biological sciences.
Q: When the measured quantity 45.67 kg is divided by the measured quantity 3.42 L, the answer should have how many significant figures? A) Three B) One C) Four D) Two
Q: For the multiplication of 6.8 m divided by 8.6 m, the result should be reported with how many significant figures? A) Two B) One C) Three D) Four E) Seven
Q: For the multiplication of 3.799 m divided by 4.9 m, the result should be reported with how many significant figures? A) Two B) One C) Three D) Four E) Seven
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