Firemen 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 mo￾tion. 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

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Variation of pressure

From the equation of pressure, pressure is directly proportional to the applied force.