Define measurement, and give an example
Measurement is the comparison of an unknown quantity to a standard. Example: The
long dimension of a page of the Laboratory Guide is 27.7 cm, that us 27.7 times as
long as a standard centimeter.
You might also like to view...
What do most scientists believe existed before the Big Bang?
A) nothing B) the primeval fireball C) a singularity D) a black hole E) everything was inside Earth
A gasoline engine absorbs 2500 J of heat at 250°C and expels 2000 J at a temperature of 50°C. What is the magnitude of the change in entropy (in J/K) for the system?
A. 6.2 B. 4.7 C. 1.4 D. 10.9 E. 3.2
A fundamental force in nature is the
a. strong interaction. b. weak interaction. c. electromagnetic interaction. d. gravitational interaction. e. all of the above
A convex mirror will allow you to see large areas normally hidden from your view
Indicate whether the statement is true or false