No 2. A force of 40N is applied at the end of a wire fixed at one end to produce an extension of 0.24mm. if the original length and diameter of the wire are 3m and 2.0mm respectively, calculate the (a) stress on the wire (b) strain in the wire

At a certain instant after jumping from the airplane a, a skydiver b is in the position shown and has reached a terminal (constant) speed vb = 52 m/s. the airplane has the same constant speed va = 52 m/s, and after a period of level flight is just beginning to follow the circular path shown of radius ρa = 2330 m. (a) determine the velocity and acceleration of the airplane relative to the skydiver. (b) determine the time rate of change of the speed vr of the airplane and the radius of curvature ρr of its path, both as observed by the nonrotating skydiver.

Holes drilled several kilometers into earth’s crust provide direct evidence about earth’s interior in the form of

Adolphin emits ultrasound at 100khz and uses the timing of reflections to determine the position of objects in the water. part a what is the wavelength of this ultrasound? assume that temperature of water is 20 degrees c. answer in cm