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1a. A 747 airplane starts from rest and reaches a takeoff velocity of 78.0 m/s due...

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Physics

1a. A 747 airplane starts from rest and reaches a takeoffvelocity of 78.0 m/s due west in 5.50 s. Assuming a constantacceleration, how far has it traveled before takeoff? Pleaseexplain.

b. Use the component method of vector addition to find theresultant of the following two vectors (magnitude and angle): (showthe calculations) A=21.0 km, 26 degree south of west B=38.0km, 30degrees east of south

Answer & Explanation Solved by verified expert
3.9 Ratings (424 Votes)
1a using first equation of motion first we will find the constant acceleration by which the airplane starts from rest V U at where V and U are the final and initial velocities respectively and t is the time taken between start and the takeoff of airplane 78 0 a55 solving for a    See Answer
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