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A water tower stores 28 m vertical feet of water. What is the absolute pressure? patm = 101,300 Pa
A 143 kg crate hangs from a single cable. A rope pulls with 286 N of force to the right. Find the angle the cable makes relative to the vertical.
A hydraulic press has a small piston with a diameter of 4 cm and a large piston with a diameter of 18 cm. What force will result on the large piston when a force of 118 N is applied to the small piston?
Find the mass of a cylinder if it has a density of 7.9 g/cm3 and a radius of 11 cm and a height of 3 cm. Express in grams.
A proton is released from rest at the positive plate of a parallel-plate capacitor. What will be the final speed of an electron released from rest at the negative plate
Why do we say a substance in a liquid phase is more disordered than the same substance in a solid phase?
A plane weighing 245 kN (27.5 tons) lands on an aircraft carrier. The plane is moving horizontally at 60.7 m/s (136 mi/h) when its tailhook grabs hold of the arresting cables. What is the force (assumed constant) exerted on the plane by the cables
On a very warm day(30oC) you are sitting at the shallow end of a swimmingpool teaching a young child to swim. How long is the pool
How much work does Scott do to push a 78kg sofa 3.0m across the floor at a constant speed? The coefficient of kinetic friction between the sofa and the floor is 0.24
After staying on Penitgy for a few days, the landing craft returns to its mothership. At take-off, both engines are run at full thrust for 87 s. What height does the landing craft attain
A 380kg piano slides 3.2m down a 27â degrees incline and is kept from accelerating by a man who is pushing back on it parallel to the incline, What is the force exerted by the man
What is the energy of a photon of light with a frequency of 6 x 10 ^14hz?
q1. as a new mechanical engineer for engines inc. you have been assigned to design brass pistons to slide inside steel
A double convex thin glass lens has equal radii of curvature. The focal length of the lens is +63.5 cm, find The index of refraction of the glass of the plano-convex lens
A hydraulic lift is used to jack a 1120kg car 10 cm off the floor. The diameterof the output piston is 18 cm, and the input force is 250 N. What is the area of the input piston
makes an angle of 45 degrees with the horizontal by an external force. The object moves up the incline a distane 3m. What is an increase in the gravitational energy of the object
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