The word science comes from the Latin word meaning
a. "experiment."
b. "investigate."
c. "knowledge."
d. "debate."
c
You might also like to view...
A white dwarf supernova event is very important to calibrating Hubble's Law. Why? Choose the best answer for the question
A) It is a very luminous standard candle. B) It is a very rare event. C) It can only happen to white dwarfs. D) The white dwarf supernova in a galaxy tells us how fast a galaxy is expanding away from us.
An ideal gas is kept in a rigid container. When its temperature is 100 K, the mean-free-path of the gas molecules is ?. What will be the mean-free-path of the molecules at 400 K?
A) 4? B) 2? C) ? D) ?/2 E) ?/4
Conservation of Momentum: Consider two less-than-desirable options. In the first you are driving 30 mph and crash head-on into an identical car also going 30 mph. In the second option you are driving 30 mph and crash head-on into a stationary brick wall. In neither case does your car bounce back from the thing it hits, and the collision time is the same in both cases. Which of these two situations would result in the greater impact force on your car?
A. hitting the other car B. hitting the brick wall C. The force would be the same in both cases. D. None of these choices are correct.
The cluster method (motions of galaxies in a cluster of galaxies) can be used to determine the cluster's mass
a. luminosity. b. distance. c. mass. d. diameter. e. age.