Suppose the ends of the rail are rigidly clamped at 0°C to prevent expansion.
Calculate the thermal stress in the rail if
its temperature is raised to 34°C. Young's
modulus for steel is 20 x 1010 N/m².
Answer in units of N/m².

A100 kg running back runs at 5m/s into a stationary linebacker. it takes 0.5 for the running back to be completely stopped

Carbon 14 is a naturally occurring stable

Consider the following position function. find (a) the velocity and the speed of the object and (b) the acceleration of the object. bold r left parenthesis t right parenthesisr(t)equals=left angle 6 t superscript 4 baseline comma 2 t cubed right angle6t4,2t3 for tgreater than or equals≥0