41 , ttæn,; ?red•, right now at 5 km south of the crossing rs mov•r•-; towards a' 40 closest distance approach between the two Cars be (2) 2.5 km (3) 56 km 40 In a projectile motion x-direction is horizontal y-directlon is vertical. The relation beb.veen y and x is g•ven by y — 10x2. Here x and y are in_ metre. The horizontal range of the prolectile is ( f) 1m 41 A projectile thrown at 450 just crosses the top ot a pole uvmse foot is at 6 m from the point Of projection The projectile falls on the other side at a dstance ot 3 m from the foot of the pole, Height Bf the pola is (3) 28m t A projectile is thrown at 600 wth the horizontal After 4 s It is moving perpendicular to its matial direction of motion. If g = 10 rn}s2, then initial speed of throw d, lic Ion

Dear Student,
                     if velocity of the projectile is u then  Range =9=u2sin(90)gor u=310m/sand time to reach pole =6ucos(45)=25sso height of the pole =usin(45)t-12gt2=310×12×25-12×10×252=2m

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