EOC Goal 3
Accessed 10 June 2017 at http://www.NCpublicschools.org
released January 2008

 A B C D
1. A bowling ball was dropped from the same height and at the same time that a softball was thrown horizontally. Neglecting air resistance, which statement is true?
1. The bowling ball hit the ground first.
2. The softball hit the ground first.
3. The bowling ball and softball hit the ground at the same time.
4. The bowling ball fell faster than the softball.
 A B C D
2. The path of a kicked football is shown in the diagram. The dashed line shows the path of the ball if the air resistance is neglected. Point X is a point along the path.
Which arrow points in the direction of the acceleration?
1. I
2. II
3. III
4. IV
 A B C D
3. A baseball is thrown across a field. Neglecting air resistance, which best describes the horizontal components of the ballâ€™s velocity and acceleration while it is in the air?
1. Velocity is constant; acceleration is decreasing.
2. Velocity is constant; acceleration is constant.
3. Velocity is decreasing; acceleration is decreasing.
4. Velocity is increasing; acceleration is constant.
 A B C D
4. A 0.15-kg object is projected vertically into the air with a velocity of 30. m/s. How high above the ground is the object after 3.3 seconds?
1. 46 m
2. 53 m
3. 110 m
4. 150 m
 A B C D
5. Four arrows are shot horizontally from the top of a tower, as shown below. 
Which path represents the arrows with the greatest horizontal velocity?
1. 1
2. 2
3. 3
4. 4
 A B C D
6. A ball is thrown horizontally. Which factor will increase the flight time of the ball?
1. increasing the vertical height from which the ball is thrown
2. increasing the horizontal velocity of the ball
3. decreasing the horizontal velocity of the ball
4. decreasing the vertical height from which the ball is thrown
 A B C D
7. A ball is thrown with a velocity of 17.6 m/s at an angle of 40.0° to the horizontal. What horizontal distance measured along the ground does the ball travel before striking the ground?
1. 15.6 m
2. 20.3 m
3. 31.2 m
4. 40.6 m
 A B C D
8. A projectile was launched horizontally with a velocity of 468 m/s, 1.86 m above the ground. How long did it take the projectile to hit the ground?
1. 0.308 s
2. 0.380 s
3. 0.616 s
4. 1.32 s
 A B C D
9. A rock is tied to a string and swung in a clockwise, vertical circle.
When the rock is at the position shown, which of the following indicates the direction of vT (tangential velocity), aC (centripetal acceleration), and/or FW (weight)?
 A B C D
10. Which represents the greatest centripetal acceleration?
 A B C D
11. Ball II has twice the mass of Ball I, and both are moving in circles of equal radii at the same speed.
1. FI = 4FII
2. FI = 2FII
3. FII = 4FI
4. FII = 2FI