quiz for projectile motion

1. Quiz #1
MULTIPLE CHOICE

3. Horizontally launched projectile
Horizontal velocity is constant. Vertical velocity is changing
due to gravitational acceleration..

4. Vertically launched projectile
The horizontal velocity component remains the same size
throughout the entire motion of the cannonball.

5. 1. It refers to the motion of an
object that is thrown, or projected into
the air at an angle.
a. Motion
b.Projectile angle
c. Projectile motion
d.Tragectory

6. 2. combination of horizontal motion
and vertical motion.
a.Parabolic
b.Projectile motion
c.Trajectory
d.Parabola

7. 3. The path of a projectile is called ?
a.Parabolic
b.Trajectory
c.Projectile
d.Projectile motion

9. 5. Horizontal velocity is ______?
a.Can be changed.
b.Straight line
c.Constant
d.Not constant

10. 6.What is the horizontal
location of the plane,
neglecting air resistance,
when the pilot drops a package
and hits the ground?
a.be behind of the package
b. be in front of the package
c. depend on the mass of the
package

11. 7. What is the horizontal
acceleration of a projectile?
a. 0 m/s2 c.-9.8 m/s2 b. 9.8
m/s2 d. 0 m/s

12. 8. What is the vertical velocity
of a projectile at the peak of
travel?
a. 0 m/s2 c.-9.8
m/s2
b. 9.8 m/s2 d. 0
m/s

13. 9. What do you expect about
the horizontal velocity of a
projectile? (neglecting air
resistance)
a.The horizontal velocity is
zero.
b. The horizontal velocity
varies with time.
c. The horizontal velocity is

14. 10. Where will the flare land
(neglect air resistance) if a speed
boat is equipped with a flare
launcher that is capable of launching
a sphere vertically (relative to the
snowmobile), and if the snowmobile is
in motion and launches the flare that
maintains a constant horizontal
velocity after the launch?
a.in front of the speed boat
b. behind the speed boat

15. 11. Which statement about the
velocity and acceleration of a ping
pong ball is true suppose it is
tossed and reached its highest point?
a.Both its velocity and its
acceleration are zero
b. Its velocity is zero, and its
acceleration is not zero
c. Its velocity is not zero, and its
acceleration is zero
d. Neither its velocity nor its

16. 12. What point of trajectory
has the least speed if a ball
is hit at an angle of 30°?
a.Just after it was launched
b. At the highest point in its
flight
c. Just before it hits the
ground

17. 13. What is the velocity of a
volleyball tossed vertically
upward, with an initial
velocity of 5 m/s, and caught
back at the same level as when
it was thrown?
a.0 m/s
b. -5 m/s
c. 9.8 m/s

18. 14. What is the acceleration
of a sepak takraw ball after
one second and hit vertically
upwards by a player?
a.0
b. 1 m/s2
c. 9.8 m/s2
d. -9.8m/s2

19. 15. How much would be the
speed reading increase for
every second if a freely
falling ball is equipped with
a speedometer?
a.0 m/s
b. 9.8 m/s
c. 10 m/s

20. 1. Why does the horizontal component of a
projectile’s motion remain constant?
2. Why does the vertical component of a
projectile’s motion undergo change?
3. A projectile is launched vertically at 100 m/s. If
air resistance is neglected, at what speed does it
return to its initial level?
ASSIGNMENT.
In a long bond paper, draw 2 situations in
which you can observe projectile motion and
explain each situation.