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. At the end of two seconds the object's speed will be
A) 64 m/s.
B) 16 m/s.
C) 48 m/s.
D) 32 m/s.
E) None of the above.

Question

Quizplus · Accepted Answer

The acceleration due to gravity on Jupiter can be calculated from the given data: 16 m/s in 1 second, which is 16 m/s². After 2 seconds, the speed will be 2 * 16 m/s² = 32 m/s.

An Object Is Dropped from Rest on the Planet Jupiter