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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.
A 650-N physics student stands on a metric bathroom scale inside an elevator. The elevator (including the student) has a total mass of 875 kg. What is the tension on the elevator cable in both cases
Two identical point charges are fixed to diagonally oppositecorners of a square that is 2.8 m on aside. Each charge is +3.5 µC. How much work is done by the electricforce as one of the charges moves to an empty corner?
A vehicle of mass 1420 kilogram traveling at 20 m/s is at the foot of a hill that rises 120 meter in 2 kilometer. Calculate the average power delivered by the vehicle engine
You shine violet light through a diffraction grating (200 lines/cm) on a screen 2.0 m from the grating. The width of the light beam is 0.15 mm. How many slits will the light pass through
A certain kind of film requires an exposure time of 0.010 s with anf / 12 lens setting. Another type of film requires quadruple the light energy to produce the same level of exposure. What f-number does the second type of film require with the0.010-s..
a 0.151 glider is moving to the right on a frictionless horizontal air track with a speed of 0.860 . it has a head-on
A 80 kg man is ice-skating due north with a velocity of 6.0 m/s when he collides with a 35 kg child. find the magnitude of the child's velocity just before the collision
An object is located 99 cm in front of a converging lens (f = 66 cm). Determine where the image is located
A 5.9 g bullet leaves the muzzle of a rifle by a speed of 330 m/s. What force (assumed constant) is exerted on the bullet while it is traveling down the 0.81 m long barrel of the rifle?
A light ray is incident upon a plane interface between two materials. what is the refracted angle (in degrees) in that material
A 8.4-kg rock and a 6.7×10-4-kg pebble are heldnear the surface of theearth. (a) Determine the magnitude of the gravitational force exerted on each by the earth. (b) Calculate the magnitude ofthe acceleration of each object when released.
A fighter jet is launched from an aircraft carrier with the aid ofits own engines and a steam-powered catapult. The thrust of itsengines is 2.00 105 N. What is the work doneon the jet by the catapult
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