Question

Problem 8

Answer 1

Given information

The acceleration due to gravity is .

Speed of =.

 

Step-by-step explanation

Step 1.

Each of the given equations is based on. Answer (a) has the acceleration replaced properly with , but the initial velocity is downward and as such should be negative. Answer (d) is incorrect because the initial velocity has been inserted for the average velocity. Answers (b) and (c) have the correct signs for each variable and the known values are inserted properly.