WorksheetsG9_Post Test 1
Total questions: 15
Worksheet time: 16mins
The motion of an object with constant acceleration is also known as ______.
circular motion
uniform motion
constant motion
uniformly accelerated motion
Ryan throws a stone straight up with an initial velocity of 12 m/s. What is its velocity at the highest point?
0 m/s
9.8 m/s
12 m/s
-12 m/s
Xander throws a stone straight up with an initial velocity of 8 m/s. What is its velocity when it returned to the elevation from where it was thrown?
0 m/s
-8 m/s
9.8 m/s
cannot be determined
Garry throws a stone straight up with an initial velocity of 9 m/s. What is its acceleration at the highest point?
0 m/s^2
0 m/s^2
-9.8 m/s^2
cannot be determined
Which of the following is the motion of objects moving in two dimensions under the influence of gravity?
Free fall
Accelerated motion
Projectile motion
Uniform motion
Which of the following best describes the horizontal motion of a projectile?
zero velocity horizontal motion
constant velocity horizontal motion
constant acceleration horizontal motion
uniformly accelerated horizontal motion
A man on top of a building throws a ball horizontally with an initial horizontal velocity of 12 m/s. What is the horizontal velocity of the ball after 3 seconds?
1.5 m/s
6 m/s
12 m/s
36 m/s
A man on top of a building throws a ball horizontally with an initial horizontal velocity of 12 m/s. What is the magnitude of the vertical displacement travelled by the ball after 3 seconds?
9.8 m
19.6 m
10 m
44.1 m
Neglecting air resistance, the vertical acceleration of a projectile is ___.
zero
1.6 m/s^2
9.8 m/s^2
10 m/s^2
Projectile follows a ________ path.
parabolic
hyperbolic
three dimensional
four dimensional
A ball is thrown into the air at an angle. At the very top of the ball’s path, its velocity is ______.
Entirely vertical
Entirely horizontal
both vertical and horizontal
cannot be determined
At what angle should a projectile be aimed in order to attain a maximum range?
30 degrees
45 degrees
60 degrees
70 degrees
A projectile is hit at an angle of 70 degrees and attains a range of 50 meters. Given the same initial velocity, at what other angle should the same projectile be hit to have the same range?
20 degrees
30 degrees
45 degrees
70 degrees
A football is kicked at an angle of 25 degrees and travels 50 yards. If the football is kicked at the same speed, what other angle will allow the football to travel 50 yards?
90 degrees
45 degrees
55 degrees
65 degrees
A ball is thrown at a certain angle. At the highest point of its trajectory, what is its vertical velocity?
0 m/s
9.8 m/s
4.9 m/s
98 m/s
