A body falls through the atmosphere (ignore air resistance) gaining 20 J of kinetic energy. How much gravitational potential energy does it lose?

For each question below select the single best answer. Questions worth 2 points require no particular calculations, just a conceptual understanding. Questions worth 5 points require some amount of calculation to attain an answer. Use your scratch paper and calculator. Put your name, date, and exam number at the top of your scratch paper Work out your calculations using your scratch paper and calculator Please make note of the question number next to your scratch work and circle your answer.   After completing your exam, you can take a picture or scan your scratch work and submit. Your scratch work will be graded for completeness and correctness, and I will award up to 10 bonus points on your exam grade. Use the EQUATION SHEET below as a reference:    

When objects are moved further apart from each other, the force of gravity

When an object is moving in a circle at constant speed, its acceleration is

Increasing the speed of an object _________ its potential energy.

Susana ascends a mountain via a short, steep trail. Sean ascends the same mountain via a long, gentle trail. Which of the following statements is true?

Twin embolization syndrome occurs: 

A postpartum gynecologic sonogram may be needed for which of the following assessments?  

Multifetal pregnancy reduction usually performed late in the 2nd trimester.  

What is a life-threatening complication resulting from the death of a monochorionic twin?