9
QuizMultiple Choice

Lesson 4: Projectile Motion

Question 9 • DISD CR Physics 2020-2021

A basketball rolls off a deck that is 3.2 m from the pavement. The basketball lands 0.75 m from the edge of the deck. How fast was the basketball rolling?Seema lists the given values in a chart and determines that the unknown value is vx.

Question illustration
Answer
A
The y and x values are switched.
Option A
B
The unknown is , not vx.
Option B
C
The value for ay is not known.
D
The value of y should be –3.2 m.
Option D