NSC07 Lab Fa2

1. The only force acting on a projectile is

Surface friction

Normal force

Tension

Gravity

EMP

2. What is the shape of the trajectory (path) of a projectile?

Square

Circle

Parabola

Hyperbola

Ellipse

3. At what angle can you achieve maximum range if you have to throw a projectile with a particular velocity?

0

45

60

30

90

4. Which is NOT considered projectile motion?

A stone thrown across a river

A baseball hit by the bat

A rocket blasting off to space

A motorcycle jumping of a ramp

A car driven off a cliff

5. If a projectile is thrown at an angle of 70 degrees with a particular velocity, at what angle will it achieve the same range?

0

20

45

60

78

6. Which of the following is true about the x component of a projectile?

Velocity varies

The acceleration along x varies

Distance the object travels is not dependent on time

Velocity is constant

It is affected by gravity

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. What is the ball's maximum range, assuming it is an airball?

5.36 m

10.2 m

14.4 m

21.5 m

59.3 m

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. What is its maximum height?

4.22 m

3.03 m

5.09 m

8.30 m

9.67 m

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.

0.787 s

3.22 s

4.82 s

0.0244 s

129.7 s

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. 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)

0.68 s

11.4 s

3.24 s

8.2 s

1.57 s

Nsc07 Lab Fa2