Projectile Motion Q What answer do u guys get? (1 Viewer)

[v.tex]

an inexperienced archer fires an arrow at a target 100m away. she fires along a line pointing directly at the centre of the target, with an initial speed of 55m/s at an angle of 15 degrees above the horizontal. by how much does the arrow miss the centre of the target?


What did u guys get? I got it misses by 9.37744m but somehow the nelson net textbook gives an answer of 21m??

 

[fromthethickofit]

textbook is wrong

 

[fromthethickofit]

answer is around 9.4

 

[v.tex]

bru why has the textboook got so many wrong answers