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Please Solve this 3 Problems. Problem 10, 11, 12.

with hand writing and explaining.

Thank you much

m/s If she points her kayak straight across and moves 2 m/s relative to the water, what is her net velocity vector relative to the shore? a. b. How far downstream will she be when she reaches the other side? c. She wants to paddle straight across. What angle upstream should she point the kayak and how long will this trip take? 11) A projectile is launched with velocity vo at angle θ. Derive a general equation for the time of flight in terms of Vo, θ, and g. b. Derive a general equation for the distance traveled (range). c. What elevation angle results in the maximum range? d. Prove your result from c by takingof your range formula. 12) What initial velocity is needed to fire an arrow 450 m? Assume the optimum angle from part c) above.

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