An object is dropped from rest on the planet Jupiter. At the end of 1 second, it has fallen 8 m and is moving at 16 m/s. What was its average speed during the entire first second [i.e., from t=0 until t=1 sec]?
A) 16 m/s
B) 12 m/s
C) 4 m/s
D) 8 m/s
E) None of the above.

Question

Quizplus · Accepted Answer

The average speed is calculated by dividing the total distance traveled by the total time taken. The object falls 8 meters in 1 second, so the average speed is 8 m/s.

An Object Is Dropped from Rest on the Planet Jupiter