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two structural members A and B are bolted to a bracket. knowing that both members are in compression and that the force is 15 KN in member A and 10 KN in member B, determine by trigonmetry the magnitude and direction of the resultant of the force applied to the bracket by member A and B.
A weight W somewhere between 1 to 10 tons is randomly placed along a beam of 10m long span. Let X denote the distance from the point of applicatoin of the load to the nearest support.
During frequent braking under race conditions the disk brake rotors on the car described above reach a temperature of 500C. These disk brakes rely on forced convection to cool them.
if 25 acres of land recieved 3.5 inches of water from the irrigation district, determine volume of water on the land in acre-ft
A particle moving along a straight line is subjectd to a deceleration a=(-2v^3)m/s^2 where v is in m/s. If it has a velocity v=8 m/s when t=0, determine its velocity when t=4s.
An 80 kg astronaut took his bathroom scale (a spring scale) and a beam scale (compare masses) to the moon where the local gravity is g=1.67 m/s^2. Determine how much he will weigh
When the Mars Exploration Rover was fully assembled, its mass was 180 kg. The acceleration due to gravity at the surface of Mars is 3.68 m/s2. a) What was the rover's weight when it was at sea level on Earth
Find the moment of inertia and natural frequency of a vertical cantilever pipe 12 feet tall with outer diameter of 4.5 inches and an inner diameter of 4.25 inches. Modulus of Elasticity = 10*10^6 Mass = 50 lbs.
A nuclear facility in a coastal region is built to withstand ocean wave forces. Suppose the annual maximum wave height of the ocean waves (above the sea level) is a lognormal random variable with mean height of 4.0 meters and a c.o.v. of 0.8
Soil A is micaceous with an average grain relative density of 2.80, and has a high plasticity in its fine fraction. The ground quartz-feldspathic B is, with an average relative density of 2.65 and fine grains of low plasticity.
If the brakes are applied uniformly for 5 sec to bring the rig to a stop from a speed of 20 mph while moving down a 10 percent grade, determine the force P in the coupling between the trailer and the truck. The truck weighs 20,000 lbf and the trai..
Two soil samples, each having a void ratio of 0.76 and density of 2.65 grains have degrees of saturation, respectively, 85% and 100%. Determine the overall specific weight of each of the samples.
there is a legend that the inventor of chess asked fora small payment in return for the marvelous game he had developed; one grain of rice for the first square on the chess board, two for the second square, four for the third square, and so on.
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