(3%) Problem 19: Water leaves a fireman's hose (held near the ground) with an initial velocity...

Transcribed Image Text:

(3%) Problem 19: Water leaves a fireman's hose (held near the ground) with an initial velocity vo= 11.5 m/s at an angle = 29.5 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, as shown. ng this I 50% Part (a) Using vo, 6, and g, write an expression for the time, tmax, the water travels to reach its maximum vertical height. d 'max= ed cos(a) cos(Q) cos(0) () 7 8 9 HOME sin(a) sin(Q) sin(0) 1 4 56 1 2 3 d g h + 0 m t VO VO BACKSPACE END CLEAR Hint Feedback I give up! Su Submit Hints: 0% deduction per hint. Hints remaining: 4 eted Feedback: 0% deduction per feedback. A 50% Part (b) At what horizontal distance d from the building base, where should the fireman place the hose for the water to reach its maximum height as it strikes the building? Express this distance, d, in terms of vo, 6, and g. (no su... (3%) Problem 19: Water leaves a fireman's hose (held near the ground) with an initial velocity vo= 11.5 m/s at an angle = 29.5 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, as shown. ng this I 50% Part (a) Using vo, 6, and g, write an expression for the time, tmax, the water travels to reach its maximum vertical height. d 'max= ed cos(a) cos(Q) cos(0) () 7 8 9 HOME sin(a) sin(Q) sin(0) 1 4 56 1 2 3 d g h + 0 m t VO VO BACKSPACE END CLEAR Hint Feedback I give up! Su Submit Hints: 0% deduction per hint. Hints remaining: 4 eted Feedback: 0% deduction per feedback. A 50% Part (b) At what horizontal distance d from the building base, where should the fireman place the hose for the water to reach its maximum height as it strikes the building? Express this distance, d, in terms of vo, 6, and g. (no su...