1.If a certain EDM has a centering error of 3mm and a scalar error of 3ppm, what is the uncertainty in a observed distance of 1380.25 ft?
2.A 50-kg crate is pulled by the constant force P at an angle of 30 deg off the x axis- the crate starts from rest and achieves a speed of 10 m/s in 5 s. the coefficient of kinetic friction between the crate and ground is 0.2. Determine the magnitude of P.
3.Name the microstructural products of 4340 alloy steel specimens that are first completely transformed to austenite, then cooled to room temperature at the following rates: (a) 10°C/s, (b) 1°C/s, (c) 0.1°C/s, and (d) 0.01°C/s. Please provide detailed solutions & explanations