Nsc07 Lab Fa2
This quiz is about projectile motion. There are ten items on this test. Don
- 1.
The only force acting on a projectile is
- A.
Surface friction
- B.
Normal force
- C.
Tension
- D.
Gravity
- E.
EMP
Correct Answer
D. Gravity -
- 2.
At what angle can you achieve maximum range if you have to throw a projectile with a particular velocity?
- A.
0
- B.
45
- C.
60
- D.
30
- E.
90
Correct Answer
B. 45 -
- 3.
If a projectile is thrown at an angle of 70 degrees with a particular velocity, at what angle will it achieve the same range?
- A.
0
- B.
20
- C.
45
- D.
60
- E.
78
Correct Answer
B. 20 -
- 4.
What is the shape of the trajectory (path) of a projectile?
- A.
Square
- B.
Circle
- C.
Parabola
- D.
Hyperbola
- E.
Ellipse
Correct Answer
C. Parabola -
- 5.
Which is NOT considered projectile motion?
- A.
A stone thrown across a river
- B.
A baseball hit by the bat
- C.
A rocket blasting off to space
- D.
A motorcycle jumping of a ramp
- E.
A car driven off a cliff
Correct Answer
C. A rocket blasting off to space -
- 6.
Which of the following is true about the x component of a projectile?
- A.
velocity varies
- B.
The acceleration along x varies
- C.
Distance the object travels is not dependent on time
- D.
Velocity is constant
- E.
It is affected by gravity
Correct Answer
D. Velocity is constant -
- 7.
A basketball was launched 12 m/s at an angle of 40 degrees above the horizontal. Neglect air resistance and the height of the player who launched it.
- A.
0.787 s
- B.
3.22 s
- C.
4.82 s
- D.
0.0244 s
- E.
129.7 s
Correct Answer
A. 0.787 s -
- 8.
A basketball was launched 12 m/s at an angle of 40 degrees above the horizontal. Neglect air resistance and the height of the player who launched it. How long did it take for the ball to reach the peak of its flight? How long is it in the air, assuming it is an airball? (time of flight)
- A.
0.68 s
- B.
11.4 s
- C.
3.24 s
- D.
8.2 s
- E.
1.57 s
Correct Answer
E. 1.57 s -
- 9.
A basketball was launched 12 m/s at an angle of 40 degrees above the horizontal. Neglect air resistance and the height of the player who launched it. What is its maximum height?
- A.
4.22 m
- B.
3.03 m
- C.
5.09 m
- D.
8.30 m
- E.
9.67 m
Correct Answer
B. 3.03 m -
- 10.
A basketball was launched 12 m/s at an angle of 40 degrees above the horizontal. Neglect air resistance and the height of the player who launched it. What is the ball's maximum range, assuming it is an airball?
- A.
5.36 m
- B.
10.2 m
- C.
14.4 m
- D.
21.5 m
- E.
59.3 m
Correct Answer
C. 14.4 m -
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Mar 22, 2022Quiz Edited by
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May 10, 2010Quiz Created by
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