Solve a hollow steel shaft has an outside diameter of 100mm and inside diameter of 75 mm. the shaft is subjected to a pure torque of 7.5kn m and is 2m long. the modulus of rigidity for steel 80 gpa *Determine the maximum sharing stress in shaft *The magnitude of the angle of twist
*If the shaft rotates at 200 rev/min determined the power generated by the shaft

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.

The great sandini is a 60.0-kg circus performer who is shot from a cannon (actually a spring gun). you don’t find many men of his caliber, so you him design a new gun. this new gun has a very large spring with a very small mass and a force constant of 1100 n/m that he will compress with a force of 4400 n. the inside of the gun barrel is coated with teflon, so the average friction force will be only 40.0 n during the 4.00 m he moves in the barrel. at what speed will he emerge from the end of the barrel, 2.50 m above his initial rest position?

Galileos view of arrangement of the universe