III. Kinematics Flash Cards Review

1. Vector - a quantity that includes ____ & ____

ex)

&

ex)

2. Scalar - ______Only

ex)

3. A projectile's time of flight is dependent upon the _______ components of its motion.

Vertical? or Horizontal?

4. The horizontal displacement of a projectile is dependent upon the ____ component of its motion and its ___ of flight. &
5a) When does the car move backward?

5b) How much distance does the cart cover in the first 3 seconds?

5c) What is the carts acceleration in the first 3 seconds?

5a) at t = seconds

 

5b)

 

5b)

Kinematics Flash Cards Review

6. Describe the v and a for each interval

Velocity

AB

BC

CD

DE

Acceleration

AB

BC

CD

DE

 

7a) Which letter shows the a plot with the greatest acceleration?

7b) Which plot shows the greatest displacement? Why?

7a)

 

7b)

The graph below, which represents the relationship between the displacement of an object and its time of traveling along a straight line.
8
a) What is the magnitude of the object's total d after 8.0 s ?
8b) What is the average v of the object during the first 4.0 s?

8c) What is the average v of the object between 4.0 s and 8 s?
8d) What is the average v of the object between 2.0 s and 4 s?

8a)

 

8b)

 

8c)

 

8d)

 

Kinematics Flash Cards Review

9. Which terms both represent scalar quantities?

(1) displacement and velocity
(2) distance and speed
(3) displacement and speed
(4) distance and velocity

10. Which two terms represent a vector quantity and the scalar quantity of the vectorís magnitude, respectively?

(1) acceleration and velocity
(2) weight and force
(3) speed and time
(4) displacement and distance
11. A baseball player throws a ball horizontally. Which statement best describes the ballís motion after it is thrown? [Neglect friction.]

(1) Its vertical speed remains the same, and its horizontal speed increases.
(2) Its vertical speed remains the same, and its horizontal speed remains the same.
(3) Its vertical speed increases, and its horizontal speed increases.
(4) Its vertical speed increases, and its horizontal speed remains the same.