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Select a steel from Appendix C-4a that has properties listed for as-rolled, normalized, and annealed conditions. Estimate Su and Sy for the three conditions from the given Brinell hardness value. Compare the results to the given tensile and yield strengths.
What are the magnitude Pg of George's momentum, Ps the magnitude of Sandra's momentum, and !! the magnitude of their combined final momentum.
A blue car with mass mc= 459 kg is moving east with a speed of vc= 20 m/s and collides with a purple truck with mass mt= 1246 kg that is moving south with a speed of vt= 10 m/s. find the magnitude of the initial momentum of the car
A 10-kg crate is placed in the bed of a truck at rest on horizontal ground. The truck accelerates uniformly at 1 m/s^2for 10 seconds. What is the sign of the work done on the crate
Derive an equation for T as a function of k and m. If you plot a graph of T^2 versus m, what combination of variables represents the slope
Wool is rubbed against a plastic ruler. how many electrons have been transferred to the ruler
A laser beam has a power of 1 mW and a diameter of 2.257 millimeter. Find how many photons are emitted per second over an area of 1mm^2, λ =632.8 nm
A weather balloon filled with helium gas has a volume of273 m3 and pressure 1.4 105 Pa at the Earth's surface (where thetemperature is 293 K). What is the new volume ofthe balloon
a car at the indianapolis-500 accelerates uniformly from the pit area going from rest to 295 kmh in a semicircular arc
A beam of protons is accelerated through a potential difference of 0.725 kV, Find what magnetic field would be needed to produce a path with the same diameter if the particles were electrons having the same speed as the protons
A 0.80-m-long organ pipe that is open at both ends resonates in the fundamental when a tuning fork of unknown frequency vibrates near one end of the pipe. what would be the fundamental frequency of a 0.80-m-long pipe that is open at one end and cl..
A ball is fired at an angle of 45 degrees from ground level in the absence of air resistance. If the maximum range is 27m then what is its inital speed and what is the time of flight
What is the heat value for a 15 gram sample of refuse-derived fuel that is combusted in a calorimeter having a heat capacity of 10,500 calories/° C
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