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Criren 2 A Position vector 3/2 Ñ rd). t? + to (d) d{(A)} 24 î t } 357 (a) di Sca) ۱۷( ۱۱ J (24)? +102 + (350)? Isom 5 4.424 94 +1 a {v(A)} 3 Ã 25t a lod) 2+ da (6) & (u) 8 + 9 + 6 3 a (4) 2 3 ५ ny Question 2 H > 45 6 feet Cround level R feet per Given ro 300 second pen square feet second, 8 32 we know that man. heigh (A) y2sin²o (300) 2 x (Sin 45°)? 2x32 ag 703.125 6 + 703.125 so Actual man. height feet H 70g.
125
for range (R), Let's find out the eqn of projectile 42 Sin 20 we know 32 (30092 Sin (2x45°) 2812,5 1906.25 our eat will be in the form alu-1406.25)(x+ 1906.25) led's put the man, height co-ordinate in it (o, 709.125) 705. 125 alo. 1406,25) Co ot 1406.25) 0.0003585856 39=-0.0003585896 (1406.2592) put y = -6 2-0.0003589886 ( 22 11: 14.12. 1867023465 ( x² eqa 6 range 'R', (1406.2012) و) feet 1412. 1867 ) Range
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