WorksheetsProjectile 2
Total questions: 20
Worksheet time: 17mins
Name
Class
Date
1.
As an object travels through the air, its vertical velocity
a)
changes continuously
b)
remains the same
2.
What is the horizontal acceleration of a projectile? (neglect air resistance)
a)
0 m/s2
b)
9.8 m/s2
3.
What is the vertical acceleration of a projectile? (neglect air resistance)
a)
0 m/s2
b)
9.8 m/s2 down
c)
9.8 m/s2 up
4.
If you throw a baseball straight up, what is its velocity at the highest point?
a)
- 9.8 m/s2
b)
+ 9.8 m/s2
c)
0 m/s
5.
If you throw a baseball straight up, what is its acceleration at the highest point?
a)
- 9.8 m/s2
b)
+ 9.8 m/s2
c)
0 m/s2
6.
If a bullet is horizontally shot at the same moment another bullet is dropped from the same height, which will hit the ground first?(neglect air resistance)
a)
Shot Bullet
b)
Dropped Bullet
c)
Hit at Same Time
7.
At the top of a projectile's path above Earth, the vertical acceleration of an object is
a)
is zero
b)
goes from positive to negative
c)
goes from negative to positive
d)
remains unchanged
8.
A ball is thrown horizontally from the top of a building with an initial velocity of 13m/s. At the same time, a second ball is dropped from the top of the same building. Which of the following is the same for the two balls?
a)
Their final displacement
b)
Their paths as they fall
c)
Their initial horizontal velocities
d)
Their final vertical velocity as they reach the ground
9.
Which of the following shapes is seen in the path of a projectile?
a)
straight line
b)
parabola
c)
circle
d)
hyperbola
10.
If you shoot a gun and at the same time drop a bullet which will hit the ground first? Why?
a)
The bullet that is shot, because it is going faster
b)
The dropped bullet, because gravity pulls on it.
c)
At the same time, because the x and y components are independent of each other.
d)
This cannot happen
11.
An object is launched horizontally from a cliff. The time it takes to hit the ground is
a)
more than if it was just dropped
b)
less than if it was just dropped
c)
the same amount of time than if it was just dropped
d)
impossible to determine
12.
If a bullet is horizontally shot at the same moment another bullet is dropped from the same height, which will hit the ground first?
a)
Shot Bullet
b)
Dropped Bullet
c)
Hit at Same Time
13.
A ball is thrown horizontally at a height of 2.2 meters at a velocity of 65 m/s. Assume no air resistance. How far did the ball travel horizontally when it hit the ground?
a)
14 m
b)
30 m
c)
65 m
d)
43 m
14.
A cannonball is fired at a 45.0° angle and an initial velocity of 625 m/s. Assume no air resistance. What is the vertical component of the cannonball’s velocity? What is the horizontal component of the cannonball’s velocity?
a)
-625 m/s; 625 m/s
b)
441.9 m/s; 441.9 m/s
c)
-441.9 m/s; 441.9 m/s
d)
0 m/s; 625 m/s
15.
A bullet is fired horizontally at a height of 1.3 meters at a velocity of 950 m/s. Assume no air resistance. How long until the bullet reaches the ground?
a)
0.52 s
b)
0.27 s
c)
0.13 s
d)
0.36 s
16.
The horizontal component of a projectile's velocity is independent of...
a)
it's range
b)
time
c)
the vertical component
d)
none of these
17.
Horizontal velocity is constant.
a)
True
b)
False
18.
The horizontal component of a projectile's velocity is:
a)
constant
b)
a constant acceleration
c)
always -9.8 m/s2 down
19.
The path that a projectile follows.
a)
Delta
b)
Trajectory
c)
Tension
d)
Drag
20.
The acceleration during the whole trip, on the horizontal component, is always...
a)
0 m/s2
b)
3.6 m/s2
c)
5 m/s2
d)
-9.8 m/s2
100 %
