Physics Ch. 3.3 Projectile Motion

Ch. 3.3 Projectile Motion

Multiple Choice

Which of the following may be classified as projectile motion?

• a punted football

• a thrown baseball

• a water droplet cascading down a waterfall

• all of the above

Multiple Choice

In the absence of air resistance, the path of a projectile is a(n)

• parabola.

• arc.

• polygon.

• semicircle.

Fill in the Blanks

Explain how a projectile can have a horizontal displacement even though its

vertical displacement is zero.

Fill in the Blanks

In a movie production, a stunt person must leap from a balcony of one

building to a balcony 3.0 m lower on another building. If the buildings are

2.0 m apart, what is the minimum horizontal velocity the stunt person must

have to accomplish the jump? Assume no air resistance and that

ay = -9.81 m/s2

.