Chapter 5: Projectile Motion Part 1 (5.1 - 5.3)

Chapter 5: Projectile Motion Part 1 (5.1-5.2)

SC.912.P.12.2

Analyze the motion of an object in terms of its position, velocity, and acceleration (with respect to a frame of reference) as functions of time.

Bellwork: Preview Video HERE

In class reading of 5.1 - 5.2

1. State the 2 things represented by vector arrows in physics. 
2. Decide whether the following statement is true or false: Velocity is a scalar quantity.
3. Determine which of the following are vector quantities: velocity, time, acceleration, momentum.
4. Complete the sentence: A scalar quantity includes only _______.
5. Explain how 2 scalar quantities are multiplied.
6. Determine which of the following are scalar quantities: 5 liters, 10 m/s north, 32 minutes, 2 cm south.
7. Decide whether a scalar quantity can be made into a vector quantity by simply adding a direction to its magnitude. Explain why or why not and give an example.
8. A diagram includes a 3-cm long arrow pointing to the right. The arrow is a vector scaled so that 1 cm = 10 m/s. Determine which statement below best describes the vector:

• a. 3 cm to the right	b. 30 m/s to the right
  c. to the right	d. 60 km/h to the right

9. An airplane flies in the same direction as the wind.  Decide whether the following statement is true or false: The velocity of the airplane is the sum of the airplane's velocity relative to the air and the wind's velocity relative to the ground. 
10. Decide whether the following statement is true or false: A tailwind increases the velocity of an airplane.
11. Decide whether the following statement is true or false: Vectors can only be used to add velocities that are parallel to each other.
12. Complete the sentence: The result of adding two vectors is called the __________.
13. Determine which vector listed below is the resultant of a 3-unit vector and a 4-unit vector that are perpendicular:

• a. 1-unit vector	b. 3-unit vector
  c. 5-unit vector	d. 7-unit vector

  
  
14. The figure below shows the addition of vectors with equal magnitudes at right angles to each other. Determine the statement that best describes the resultant.
• 
  
  

  a. 1 unit upward	b. 1 unit to the right
  c. √2 units at 45°	d. 2 units upward

  
  
  
  
15. Decide whether the following statement is true or false: The length of the diagonal of a square is always 1.414 times the length of either side.