Chapter 3- Projectile Motion

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Across
  1. 2. An object that follows a curved path near the Earth.
  2. 4. The path traced by a projectile accelerating only in the vertical direction while moving at constant horizonatal velocity.
  3. 6. A pair of lines or planes that intersect each other at a 90-degree angle.
  4. 10. A projectile traveling fast enough to fall around the earth rather than into it.
  5. 11. A quantity that has both magnitude and direction.
  6. 12. A quantity that is completely described by magnitude only.
Down
  1. 1. Two vectors at right angles of each other.
  2. 2. The sum of the squares of the two shortest sides of a right-angles triangle are equal to the square of the longest side.
  3. 3. General quantity or distance.
  4. 5. A quantity that requires both magnitude and direction for a complete description.
  5. 7. The vector sum of two or more vectors.
  6. 8. All things with mass or energy are attracted to one another.
  7. 9. The process of determining the components of a vector.
  8. 13. A physical quantity can be expressed as a value.