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Question: A fireman d = 40.0 m away from a burning building directs a stream of water from a ground-level fire hose at an angle of θi = 36.0° above the horizontal. If the speed of the stream as it leaves the hose is vi = 40.0 m/s,
Part A: At what height will the stream of water strike the building?
I need help to find at what height wills the stream of water strike the building.
The index of refraction for violet light in plastic is greater than that for red light by 0.0410. Delaying any rounding off of calculations until the very end, find the index of refraction for violet light in plastic.
The writing on the passenger-side mirror of your car says "Warning! Objects are closer than they appear." There is no such warning on the driver's mirror. How far are you from the image of the cyclist
question a straight cylindrical wire lying along the x axis has a length l and a diameter d. it is made of a material
A 4.00 kg model rocket is launched, expelling 46 g of burned fuel from its exhaust at a speed of 590m/s. What is the velocity of rocket after the fuel has burned? Hint: overlook the external forces of gravity and air resistance.
On an airplane's takeoff, the combined action of the air around the engines and wings of an airplane exerts a 7960-N force on the plane, What is the weight of the plane
Water flows through a horizontal pipe of cross-sectional are 10 cm2 at a pressure of 0.25 atm. Find what is the pressure at the valve
The potential of a typical storm cloud can be as high as 109 volts. When lightning is produced, a typical lightning strike can produces an electric current of 20,000 amps.
A grandfather clock depends on the period of a pendulum to keep correct time. Find the period of the grandfather clock
a parallel-plate air capacitor has a capacitance of 300 pf and a charge of magnitude 0.250uc on each plate. the plates
During a rockslide, a 760 kg rockslides from rest down a hillside that is 500 m long and 300 m high. How much energy is transferred to thermal energy
At a construction site, a 23.0 bucket of concrete is connected over a very light frictionless pulley to a 310 box on the roof of a building. (See the figure.) There is no appreciable friction on the box, since it is on roller bearings. The box starts..
you and a friend are pulling on a box at 90 degree angles to each other. You are pulling with 80 pounds of force, Calculate the resultant force of pull and the angle of pull from the zero angle
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