DIRECTION: Choose the letter of the BEST answer.

1. A stone is just released from the window of a train moving along a horizontal straight

track. The stone will hit the ground following:

a. Hyperbolic path c. Circular path

b. Straight path d. Parabolic path

2. A bullet is dropped from the same height when another bullet is fired

horizontally. They will hit the ground

a. Simultaneously c. One after the other

b. Depends on the observer d. None of the above

3. A bomb is dropped from an airplane moving horizontally at a constant speed.

When air resistance is taken into consideration, the bomb

a. Flies with the airplane c. Falls to earth ahead of the plane

b. Falls to earth behind the airplane d. Falls to earth exactly below the airplane
4. A particle moves in a plane with constant acceleration in a direction from the initial

velocity. The path of the particle will be .

a. A parabola c. A straight line

b. An ellipse d. An arc of a circle

5. A projectile is launched at an angle of 300 above the horizontal. Neglecting air resistance,

what are the projectile’s horizontal and vertical accelerations when it reaches it’s

maximum height?

a. Both the horizontal and vertical accelerations are zero.

b. The horizontal acceleration is zero and the vertical acceleration is 9.81 m/s2

.

c. The horizontal acceleration is 9.81 m/s2 and the vertical acceleration is zero.

d. Both the horizontal and vertical accelerations are 9.81 m/s2

.

6. A ball is thrown at angle of 380

to the horizontal. What happens to the magnitude of

the ball’s vertical velocity during the time interval that the ball is in the air?

a. It decreases, then increases.

b. It decreases, then remains the same.

c. It increases, then decreases.

d. It remains the same.

7. A baseball player throws a ball horizontally (0o

). Which statement best

describes the ball’s motion after it is thrown? (Neglect air resistance)

Its vertical speed remains the same, and its horizontal

speed remains the same.

a. Its vertical speed increases, and its horizontal speed increases.

b. Its vertical speed increases, and its horizontal speed remains the same.

c. Its vertical speed increases and its horizontal speed decreases

8. A stand holds two white balls. At the same instant, the ball one ball is dropped straight

down, the other ball is shot straight out. Which ball will hit the ground first? (Neglect

air resistance)

a. The dropped ball c. Both hit at the same time

b. The shot ball d. None of the above

9. Consider a plane moving with a constant speed at an elevated height above the

Earth\'s surface. During its flight, the plane drops a package from its luggage

compartment. Where will it land with respect to the plane?

a. Directly below the plane c. Behind the plane

b. In front of the plane d. None of the above

10. What factor(s) affect how far a projectile will land?

a. Angle c. Both angle and initial velocity

b. Initial velocity d. None of the above​