N Netix x o Guides-Kayla Hsines x NDsu. North Dakota St... Assignments- phys 22

Question

N Netix x o Guides-Kayla Hsines x NDsu. North Dakota St... Assignments- phys 22 LON-CAPA Landing Chegg Study I Guided S x 3 physi dak,ed uploaded%2fndsu%2f8A2361183b98e5602ndsul1%2fdefau C a search New Messages Courses Help Logout Makenzie Reutter v Student section: 01 Physics 211 College Physics I Spring 2016 Main Menu Contents Grades syllabus Feeds Time Notes Evaluate Feedback E Print a Info Course Contents Homework 04 Landing on Callisto Imagine a landing craft approaching the surface of Callisto, one of Jupiter's moons. If the engine provides an upward force (thrust) of 3432 N the craft descends at constant speed; if the engine provides only 2317 N, the craft accelerates downward at 0.39 m/s2. hat is the weight of the landing craft in the vicinity of Callisto's surface Submit Answer Tries 0/5 What is the mass of the craft? Submit Answer Tries 0/5 What is the magnitude of the free-fall acceleration near the surface of Callisto Submit Answer Tries 0/5 Send Feedback Post Discussion 5:41 PM 2/14/2016

Explanation / Answer

Given that

The engine provides an up ward force =mg =3432N

The craft descends at constant speed; if the engine provides only (F) = 2317 N

The craft accelerates downward at (a) =0.39 m/s2

Now from the above given condition

mg -F =ma

3432N -2317N =m(0.39)

Then mass m =2858.974kg

Therefore the weight of the landing craft is W =mg =3432N

and mass m =2858.974kg

The magnitude of free-fall of acceleration is given by

ma =mg =W

Then a =W/m =3432/2858.974 =1.20m/s2

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