Skill Challenge
Skills: calculating, comparing, interpreting a table
The table shows how the distance of an object from the center of Earth changes,
and how this affects the force of Earth's gravity on the object. Fill in the blanks to
complete the table. The first one has been done for you.
Force of Gravity (1/d?) |
Distance (d)
1. 3 times as far
1/9

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

Triangle knm is what is true about the sides of knm

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?