Fall 2021 MA103 Lab Report 5 - Derivative Applications Open the file Lab 5 Maple Worksheet (found on MyLearningSpace) in Maple. Read through the file and use it for question 3. Show all steps in the solutions to the following problems. Insufficient justification will result in a loss of marks. 1. [4 marks] The Chernobyl nuclear plant explosion occurred on April 26, 1986. One of the main reasons that the area has not been re-inhabited has to do with the release of 24 kilograms of Caesium-137 into the earth. If the half-life of Caesium-137 is 30 years, how much of it was present on October 26, 2021 (i.e. yesterday)? Result may be rounded to 2 decimal places. 2. [4 marks] A helicopter makes a vertical takeoff and rises at a rate of 40km/h. An observer standing 2 km away watches 1 12 # - + 10' .mw 78% to search PrtSc F3 X F12 F7 F9 F10 F11 F1 F4 F6 F8 @ S % 5 6 O A N 3 P W E R S G H K X C V B N M <