A spherical wood with a diameter of 6cm is immersed in a container of liquids with the oil filled to a height of 6cm and the mercury is filled to a height 8cm above the oil. If the diameter of the wood is at the interface between mercury and oil, calculate, (a) The gauge pressure at the upper surface of the block? (b) The gauge pressure at the lower surface of the block?

Waves are used in many practical applications to support work, entertainment, and health. one example is the use of ultrasound imaging to safely track the development of a growing fetus. what is a specific example of a practical application of waves in medicine, entertainment, safety, or other fields? provide a brief explanation of how the properties of waves are useful to that application.

Write the function getkthdigit(n, k) that takes a possibly-negative int n and a non-negative int k, and returns the kth digit of n, starting from 0, counting from the right

Abike rider starts from rest and accelerates 28.0 meters down a slope in 5.00 seconds. what is her acceleration? select one: a. 3.21 m/sec2 b. 1.75 m/sec2 c. 9.80 m/sec2 d. 2.24 m/sec2