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?

Using the given data table, calculate the acceleration of the skateboarder. you can use either form of the equation below?

Curious carl calculated the density of a cube to be 4.50 g/cm3. what is the density of the cube in g/l?

Which lists the main components of darwin’s theory of evolution? a. random mutations drive evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms do not change. b. natural selection drives evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms change over time. c. natural selection drives evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms change over time. d. random mutations drive evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms do not change.