WorksheetsSCIENCE 9 - REVIEW
Total questions: 11
Worksheet time: 7mins
The acceleration due to gravity acts __________.
upward
downward
toward the outer space
The horizontal component of a projectile's velocity is independent of _______.
displacement
range
time
vertical component
A golf ball is thrown into the air. At the highest point, the ball has zero velocity and zero acceleration.
TRUE
FALSE
What is the shape of the path of any projectile?
diagonal
hyperbola
parabola
vertical
If you are trying to find the horizontal component (Vx) of a projectile's velocity, what trigonometry function would you use?
sine
cosine
tangent
What is the vertical acceleration of any projectile?
9.8 m.s^2
-9.8 m.s^2
It depends on the angle of launch
It depends on the launch velocity
The only force acting on the object in projectile motion is _________.
acceleration
air resistance
friction
gravity
Which launch angle will result in the longest range?
30°
45°
60°
90°
If you throw a baseball straight up, what is its acceleration at the highest point?
9.8 m/s
9.8 m/s2
0 m/s2
0 m/s
If a ball is thrown horizontally from the top of a 125-m cliff, how long will it be in the air?
5.5 s
5.20 s
5.05 s
25 s
A ball is thrown at an angle of 20 degrees and a velocity of 12 m/s. What is the vertical and horizontal components of the ball’s velocity?
10 m/s : 20 m/s
11 m/s : 15 m/s
11.28 m/s : 4.10 m/s
19. 56 m/s : 4. 16 m/s
