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At the end of most landing runways in airports, an extension of the runway is constructed using a special substance called form Crete. Form Crete can support the weight of cars, but crumbles under the weight of airplanes to slow them down if they run off the end of a runway. g=9.8m/s^2
If a plane of mass1.60×105 kilogram is to stop from a speed of 24.0 m/s on a 150 meter long stretch of form Crete, Find the magnitude of the average force exerted on plane by the form Crete?
A certain steel railroad rail is 13 yd in length and weighs 70.0 lbs/yd. determine how much thermal energy is required to increase the length of such a rail by 3.0 mm
A 200-g block of copper at a temperature of 90 degreesCelsius is dropped into 400 g of water at 27 degrees Celsius. What is the final temperature of the mixture
Estimate the thickness of steel (density 8 g/cm3) needed to stop a proton of momentum 2 GeV/c. Then, for the same thickness of steel, calculate the energy loss of a 2 GeV/c gamma ray.
Standing on ground 3.5 from the wall of a building, you want to throw a package from your 1.6 shoulder level to someone in a second-floor window 4.5 above the ground.
consider light that is refraced by a prism shaped like an equilateral triangle. the incident ray is parallel with the
A step-up transformer has 50turns on the primary coil and 500 turns on the secondary coil. what input currentand voltage are needed
One can not align the apparatus to eliminate entirely the effects of the Earth's magnetic field. calculate the component of the earth magnetic field perpendicular to the entering electron beam
Air enters the compressor of a gas turbine plant at ambient conditions of 100 kPa and 25 degrees C with a low velocity and exits at 1 MPa and 347 degrees C with a velocity of 90m/s. the compressor is cooled at a rate of 1500 kJ/min and the power i..
The distance from the center of the oxygen atom to the center of a hydrogen atom is 0.96 A, Find the center-to-center distance between the hydrogen atoms
the stanford linear accelerator accelerated a beam consisting of 1.2 1014 electrons per second through a potential
a 0.340-m-long cylindrical capacitor consists of a solid conducting core with a radius of 1.00 mm and an outer hollow
A 1.08 µF capacitor is connected in series with a 2.18 µF capacitor. The 1.08 µF capacitor carries a charge of +11.1 µC on one plate, Find the equivalent capacitance of the two capacitors
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