Remember the age-old junior high word problem where you solved to find the point of impact and/or velocity of the imminent collision of two trains? Well, these days math and physics teachers are incorporating different kinds of train wrecks in their lesson plans.
If anyone answers either of these questions correctly, we'll give you a Twitter shout-out, because there's not a chance in hell I remember how numbers work. So most submissions will receive at least a retweet.
And in other new internet trends we're supporters of, here's one more edit of Miley's "Wrecking Ball" music video featuring Biebs' face.