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a beam has a rectangular section of 40mm wide and 120mm deep and a span of 1m. The beam is simply supported, carries a concentrated load of 10kn at mid-span and is subjected to an axial compressive force of 50kn applied on the centroid of the cross section. Calculate the maximum resultant stress in the beam and plot the stress distribution diagram for this section
A highway curve with radius 900 is to be banked so that a car traveling 56.0 will not skid sideways even in the absence of friction. At what angle should the curve be banked
A small circular loop of wire of radius 5.0 cm and resistance R = 1.7 10-3 Ω is centered inside a large circular loop of wire of radius 50 cm, Find the average current in the smaller loop during this time interval
A skier is gliding along at 3 m/s on horizontal frictionless now. He suddenly starts down a 10o incline. His speed at the bottom is 15 m/s. Determine what is the length of the incline
A rocket is fired from the ground as a projectile. At the top of its trajectory, at a horizontal distance of 260m from the launch point, the rocket breaks into two pieces: One fragment having1/3 of the mass of the original rocket and the remaining pi..
Two students are on a balcony 18.30 m above the street. One student throws a ball, b1, vertically downward at 16.80 m/s. At the same instant, the other student throws a ball, b2, vertically upward at the same speed.
In your four years at college you dry your hair every day for 5 minutes with a 1200w hair dryer. how much did it cost you during this time
q1. a 346- uniform 1.04- bar is suspended horizontally by two vertical cables at each end. cable a can support a
A uniform electric field, with a magnitude of 490 N/C, is directed parallel to the positive x-axis. If the electric potential at x = 4.00 m is 1 000 V, what is the change in potential energy of a particle with a charge of + 2.60 x 10-3 C as it moves ..
Monochromatic light is normally incident on a diffraction grating that is 1 cm wide and has 10,000 slits. What is the wavelength, in nm, of the incident light
In an automobile engine, a piston moves in SHM with amplitude of 0.390 m. Calculate the maximum speed of the piston
If a system in equilibrium with two masses m1 and m2 are placed at distances d1 and d2 from the fulcrum, then f1 d1= f2 d2. Is this the same as saying that m1 d1= m2 d2? Give details.
A 12 volt battery powers a circuit that consists of a ten ohm resistor in series with a ten ohm and a 15 ohm that are in parallel. How much current flows through the 15 ohm resistor
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