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When a wilf fire approaches a residentail area, a house owner climbs up to the roof and sprays the 1-story ranch-style house with water using a garden hose connected to the outdoor water faucet. The diameter of the noxxle at the end of the hose is 10.00mm and the inside diameter of the hose is 2.50cm. The water flows through the hose at 1.25m/s. what is the minimum water pressure of the source(faucet) end of the hose? You will need to estimate at least two parameters-indicate those parameters.
Explain an experimental method for determining the center of mass of any object, including irregularly shaped objects.
If the projectile rises to a maximum height of only 10.2 m, identify the magnitude of the average force due to air resistance.
A cube of side 8.50cm is placed in a uniform field E=7.50×103 N/C with edges parallel to the field lines, What is the net flux through the cube, What is the flux through the right face
A child whose weight is 262 N slides down a 4.80 m playground slide that makes an angle of 49° with the horizontal. The coefficient of kinetic friction between slide and child is 0.09.
A tire of an automobile has a gauge pressure of 30 psi at the top of a mountain, and the air temperature inside the tire is 300K. The atmospheric pressure at the top of the mountain is 1.7 atm.
Determine the direction of the net electrostatic force on charge q3 (angle with respect to the positive x-axis).
Find the resultant forces and moments at wrist, biceps muscle force, elbow and shoulder and joint reaction force using 2-D static analysis.
A spiral staircase winds up to the top of a tower in an old castle. To measure the height of the tower, a rope is attached to the top of the tower, What is the height of the tower
find the final temperature when 1000 g of water at 20 celcius in a 125 g copper calorimeter is mixed with 50g of steam originally at 153 celcius.
A golf ball with the initial angle of 34° lands exactly 240 m down the range on the level course.
Two speakers, one directly behind the other, are each generating a 374-Hz sound wave. What is the smallest parting distance between the speakers that will generate destructive interference at a listener standing in front of them? Take the speed of so..
Two small insulating spheres with radius 9×10-2 are separated by a large center-to-center distance of 0.52. One sphere is negatively charged.
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