Chapter 26, Problem 1D

Direction: Read and answer the following problems using the factor-labelmethod or dimensional analysis. Please Show Your Work 1. A STEM student has a mass of 100 pounds and a height of 6 feet. What ishis mass in kilogram and height in meter? 2. An aluminum metal has an area of 22m2. What is its area in cm2?

Read the following items carefully. State your assumptions if any. Show your COMPLETE solution and BOX your final answers. Keep your answers and solutions in 4 decimal places. > Initially, 100 milligrams of a new radioactive substance Tobium, named after its discoverer Sir Tobs, was discovered and collected from one of the moons of Jupiter. After 6 hours from collection, the mass decreased by 4%, If the rate of decay IS proportional to the amount of the substance present at time t, find the amount of Tobium remaining after 48 hours.

Please solve bottom three questions ONLY using correct physics terminology and diagrams: