Methane absorbs red light readily, so we would expect a planet with a mostly methane atmosphere to appear blue
Indicate whether the statement is true or false
TRUE
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The scientific method is a simple, mechanical way of grinding facts into understanding
a. True b. False Indicate whether the statement is true or false
Which has the greater momentum when moving?
A) a container ship B) a bullet C) either of these depending on speed
Which of the following is an example of a vector quantity?
a. velocity b. temperature c. volume d. mass
A uniform rod (length = 2.0 m) is mounted to rotate freely about a horizontal axis that is perpendicular to the rod and that passes through the rod at a point 0.50 m from one end of the rod. If the rod is released from rest in a horizontal position, what is the angular speed of the rod as it rotates through its lowest position?
a. 3.5 rad/s b. 3.8 rad/s c. 4.1 rad/s d. 2.0 rad/s e. 5.6 rad/s