1) The aircraft carrier Nimitz has a weight of 91,000 tons. Suppose that its engines and hydrodynamic drag exert a constant one million decelerating force on it. a. Use impulse momentum to determine how long it takes the ship to come to rest from a speed of 30 knots b. Use the principle of work-energy to determine the distance the ship travels during the time it takes to come to rest C. Solve a. & b. by direct application of Newton's Second Law FULL CREDIT AWARDED ONLY FOR CORRECT FBD & KFD INCLUDED IN SOLUTION ANS. (a) t =4.77 min (b) s = 7233 ft = 1.37 miles (c) s=7233 ft, t = 286 sec

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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This is not a quiz question. It is part of a review packet. Free Body Diagram and Kinetic Free Diagram needed. 

1) The aircraft carrier Nimitz has a weight of 91,000 tons. Suppose that its engines and
hydrodynamic drag exert a constant one million decelerating force on it.
a. Use impulse momentum to determine how long it takes the ship to come to rest from a
speed of 30 knots
b. Use the principle of work-energy to determine the distance the ship travels during the
time it takes to come to rest
C.
Solve a. & b. by direct application of Newton's Second Law
FULL CREDIT AWARDED ONLY FOR CORRECT FBD & KFD INCLUDED IN SOLUTION
ANS. (a) t =4.77 min (b) s = 7233 ft = 1.37 miles (c) s=7233 ft, t = 286 sec
Transcribed Image Text:1) The aircraft carrier Nimitz has a weight of 91,000 tons. Suppose that its engines and hydrodynamic drag exert a constant one million decelerating force on it. a. Use impulse momentum to determine how long it takes the ship to come to rest from a speed of 30 knots b. Use the principle of work-energy to determine the distance the ship travels during the time it takes to come to rest C. Solve a. & b. by direct application of Newton's Second Law FULL CREDIT AWARDED ONLY FOR CORRECT FBD & KFD INCLUDED IN SOLUTION ANS. (a) t =4.77 min (b) s = 7233 ft = 1.37 miles (c) s=7233 ft, t = 286 sec
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