A firefighter, 50.0 m from a burning building, directs a jet of water from a fire hose located at ground level at an angle of 30 ° above the horizontal. If the speed of the jet is 40.0 m / s, how high does the jet of water reach the building?
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A firefighter, 50.0 m from a burning building, directs a jet of water from a fire hose located at ground level at an angle of 30 ° above the horizontal. If the speed of the jet is 40.0 m / s, how high does the jet of water reach the building?
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- Firefighters use a high-pressure hose to shoot a stream of water at a burning building. The water has a speed of 25.0 m/s as it leaves the end of the hose and then exhibits projectile motion. The firefighters adjust the angle of elevation a of the hose until the water takes 3.00 s to reach a building 45.0 m away. Ignore air resistance; assume that the end of the hose is at ground level. (a) Find a. (b) Find the speed and acceleration of the water at the highest point in its trajectory. (c) How high above the ground does the water strike the building, and how fast is it moving just before it hits the building?Firemen are shooting a stream of water at a burning building using a high-pressure hose that shoots out the water with a speed of 25.0 m/s as it leaves the end of the hose. Once it leaves the hose, the water moves in projectile motion. The firemen adjust the angle of elevation θ of the hose until the water takes 3.0 s to reach a building 45.0 m away. You can ignore air resistance; assume that the end of the hose is at ground level. (a) Find the angle of elevation θ. Hint Answer: θ = 53.1◦(b) Find the speed, v and acceleration a of the water at the highest point in its trajectory. (c) How high above the ground does the water strike the building, and how fast is it moving just before it hits the building? Hint Answer: y = 15.9 m and v = 17.7 m/sFiremen use a high-pressure hose to shoot a stream of water at a burning building. The water has a speed of 25.0 m>s as it leaves the end of the hose and then exhibits projectile motion. The firemen adjust the angle of elevation a of the hose until the water takes 3.00 s to reach a building 45.0 m away. Ignore air resistance; assume that the end of the hose is at ground level. (a) Find a. (b) Find the speed and acceleration of the water at the highest point in its trajectory. (c) How high above the ground does the water strike the building, and how fast is it moving just before it hits the building?Water from a fire hose is directed toward a building as shown in the figure below. The water leaves the hose at a speed of vi = 40.0 m/s and at an angle of ?i = 35.0° above the horizontal. The base of the hose (at ground level) is a horizontal distance d = 51.0 m away from the building. Find the height h (in m) where the water strikes the building.Firemen are shooting a stream of water at a burning build- ing using a high-pressure hose that shoots out the water with a speed of 25.0 m/s as it leaves the end of the hose. Once it leaves the hose, the water moves in projectile motion. The firemen adjust the angle of elevation a of the hose until the water takes 3.00 s to reach a building 45.0 m away. You can ignore air resistance; assume that the end of the hose is at ground level. (a) Find the angle of elevation a. (b) Find the speed and acceleration of the water at the highest point in its trajectory. (c) How high above the ground does the water strike the building, and how fast is it moving just before it hits the building?Water from a fire hose is directed toward a building. The water leaves the hose at a speed of vi = 40.0 m/s and at an angle of Øi = 35.0° above the horizontal. The base of the hose (at ground level) is a horizontal distance d= 51.0 m away from the building. Find the height h (in m) where the water strikes the building.a fireman d=31.0 m away from a burning building directs a stream of water from a ground-level hose at an angle of 0i=26.0 degrees above the horizontal. if the speed of the stream as it leaves the hose is vi=40.0 m/s, at what height will the stream of water strike the building?Water from a fire hose is directed toward a building as shown in the figure below. The water leaves the hose at a speed of vi = 40.0 m/s and at an angle of θi = 44.0° above the horizontal. The base of the hose (at ground level) is a horizontal distance d = 45.0 m away from the building. Find the height h (in m) where the water strikes the building. A fireman on the ground sprays water from a fire hose onto a building. The water leaves the hose with velocity vector vi at an acute angle θi above the horizontal and curves downwards just before it strikes the building at a height h above the ground. The building is a horizontal distance d from the fireman.Water from a fire hose is directed toward a building as shown in the figure below. The water leaves the hose at a speed of vi = 40.0 m/s and at an angle of θi = 43.0° above the horizontal. The base of the hose (at ground level) is a horizontal distance d = 56.0 m away from the building. Find the height h (in m) where the water strikes the building.Water from a fire hose is directed toward a building as shown in the figure below. The water leaves the hose at a speed of v, = 40.0 m/s and at an angle of e, = 35.0° above the horizontal. The base of the hose (at ground level) is a horizontal distance d = 45.0 m away from the building. Find the height h (in m) where the water strikes the building. A fireman on the ground sprays water from a fire hose onto a building. The water leaves the hose with velocity vector v, at an acute angle 0, above the horizontal and curves downwards just before it strikes the building at a height h above the ground. The building is a horizontal distance d from the fireman.SEE MORE QUESTIONS
