The terms projectile and trajectory are introduced. Projectile Motion: The terms projectile and trajectory are introduced. Students learn to describe horizontal and vertical components of a projectile ...

Suppose you throw some object near the surface of the earth. If the only significant force on the object is the constant downward gravitational force, we call this "projectile motion." Yes, that ...

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It's not even summer yet, but it's hot enough in Minnesota to cause a highway to buckle. Many cars flew right over it. It looks dangerous. I hope there aren't any injuries, but I'm sure there will be ...