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Problem 6: Water leaves a fireman's hose (held near the ground) with an initial velocity v0=19m/s at an angle θ=25° above horizontal Assume the water acts as a projectile that moves without air resistance. Use a Cartesian coordinate system with the. origin at the hose nozzle position.

(10%) Problem 6:-water leaves a firemans hose(held near the ground) with an inital velocity vo 19 m/s at an angle 0-250 above horizontal. Assume the water acts as a projectile that moves without air resistance. Use a Cartesian coordinate system with the origin at the hose nozzle position Etheexpertta.com 50% Part (a) Using vo. e, and g, write an expression for the time, Imar the water travels to reach its maximum vertical height Grade Summary Deductions Potential 100% cos(a) cos(p) cos(e)8 9 sin(a)sin)sin) Submissions 1 2 3 eli per attempt) detailed view Subreit Hint Feedback: ls deduction per feedback Hines: i 50% Part (b) At what horizontal distance om the building base where should the reman place the hose for height as it strikes the building? Express this distance, ad, un terms of vo. 9, and g t the water to reach its maximum


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Solution frr fi maximum so E メー 0 2. 2

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Answer #1

(a)

tmaェー

Un sin θ

(b)

sin θ cos θ u cos θ t mAT

2g

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