a ush19ky.theexpertta.com o d The Expert TA 1 Human-like Grading, Automated True
ID: 2033372 • Letter: A
Question
a ush19ky.theexpertta.com o d The Expert TA 1 Human-like Grading, Automated True or faise: Planets with low ? speeds, such as Mercury, generally don't have Student: Peytonlinder421 @topper.wku edu Hom My Account Log i Class ManagementI Help Ch13b Begin Date: 3/6/2018 12:01:00 AM--Due Date: 4/2/2018 10:10:00 AM End Date: 5/31/2018 11:59:00 PM (13%) Problem 7: In this problem you will answer a few questions about "escape speed". 33% Part (a) True or false: Planets with low escape speeds, such as Mercury, generally don't have atmospheres because the average speed of gas molecules is close to the escape speed 33% Part (b) True or false: A spacecraft would have the same escape speed as a gas molecule. 33% Part (c) which of the following best describes escape speed? Grade Summary Deductions Potential 100% The speed reached of an object falling from infinity to the Earth but in the opposite direction The speed attained when an object moves faster than influence of gravity The speed required to exit the Earth's gravitational pull. The speed required to overcome atmospheric resistance. ted Submissions ted cted Atempts remaining: 3 3 per attempo detailed view Hint I give up deduction per feedbuck Submit Hints: 1% deduction per hint. Hints remaining: Feedback:Explanation / Answer
(a) TRUE
(b) TRUE
(c) Escape speed is the speed required to exit the Earth's gravitational pull.
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.