A hunter is riding an elephant of height 4m moving in straight line with uniform speed of 2m/sec. he sights a deer running with a speed v in front at a distance 45m moving perpendicular to the direction of motion of the elephant. if hunter can throw his spear with a speed of 10m/sec. relative to the elephant, then at what angle  to it's direction of motion must he throw his spear horizontally for a successful hit. find also the speed ‘v' of the deer.

A hunter is riding an elephant of height 4m moving in straight line wi

1.	A hunter is riding an elephant of height 4m moving in straight line with uniform speed of 2m/sec. he sights a deer running with a speed v in front at a distance 45m moving perpendicular to the direction of motion of the elephant. if hunter can throw his spear with a speed of 10m/sec. relative to the elephant, then at what angle  to it's direction of motion must he throw his spear horizontally for a successful hit. find also the speed ‘v' of the deer.
Answer» Its the question was WRONG bcz BOTHER in IIT I am doing this question the ans was not mathced with iit ans key...

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