The metric system is preferred over the British system in science for the following main reason.
A) The metric system is more precise than the British system.
B) Metric quantities can be defined more accurately than the quantities in the British system.
C) Metric quantities are natural whereas British quantities are invented.
D) Conversions between metric quantities are especially easy because they are all related by factors of ten.
Question 2
When is the average velocity of an object equal to the instantaneous velocity?
A) only when the velocity is increasing at a constant rate
B) only when the velocity is decreasing at a constant rate
C) when the velocity is constant
D) always
E) never