(b) It is possible to shoot an arrow at a speed as high as 100 m/s. (a) If friction is neglected, how highwould an arrow launched at this speed rise if shot straight up? (b) How long would the arrow be in theair?

There are three equations of motion i) v = u + at ii) v2 - u2 = 2as iii) s = ut + 1/2 at2 where v =…

Answered: (b) It is possible to shoot an arrow at…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Long flights at midlatitudes in the Northern Hemisphere encounter the jet stream, an eastward airflow that can affect a plane's speed relative to Earth's surface. If a pilot maintains a certain speed relative to the air (the plane's airspeed), the speed relative to the surface (the plane's ground speed) is more when the flight is in the direction of the jet stream and less when the flight is opposite the jet stream. Suppose a round-trip flight is scheduled between two cities separated by 3200 km, with the outgoing flight in the direction of the jet stream and the return flight opposite it. The airline computer advises an airspeed of 810 km/h, for which the difference in flight times for the outgoing and return flights is 72 min. What jet-stream speed is the computer using?
I already got the answers for 1,2 and 3 (6.55m/s, -1.5166m/s, 5.042m/s respectively). can you please help me with letters d and e?

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(b) It is possible to shoot an arrow at a speed as high as 100 m/s. (a) If friction is neglected, how high would an arrow launched at this speed rise if shot straight up? (b) How long would the arrow be in the air?