If the 250lb block is released from rest when the spring is unstreiched, determine the velocity of the block after it has descended 5 ft. the drum has a weight of 50lb and a radius of gyration of ko=0.5 ft about its center of mass o .solve using newton's second law.

The flow rate of air through a through a pipe is 0.02 m5/s. a pitot static tube is placed in the flow. the radius of the pitot static tube is 1 mm. assuming the flow to be steady and the air to be at 300k, calculate the difference in total and static pressure if the diameter of the pipe is: (a) d 0.1 m d 0.05 m (c) d 0.01 m