pls help answer

Useful stuff to know: Newton's Law of Cooling: T (t ) = Ts + ( To - T )e - ke T(t) is the temperature of the object after time 1. T, is the temperature of the surrounding environment. is the initial temperature of the object (at time / = 0). Gravity. 2019 The Algebras, LLC is a constant that changes depending on the material properties of the object. It's not just a good Idea. 'is the amount of time (in minutes) that has passed since the object began cooling. It's the Law. Decibel Levels: D(1) = 10 log () D(1) is the decibel level (loudness) as a function of I. I is the intensity of the sound (watts per square meter) 10 = 10 12 and represents the intensity of the quietest sound a human can hear. Earthquake Intensity (Richter Scale): M = =109 Bo M is the magnitude of the earthquake E . the energy released by the earthquake (joules) E. = 10140 joules, the energy released by a small reference earthquake Rocket Science v = cln We WD V is the velocity of a rocket at fuel burnout (when it runs out of fuel) W.= the takeoff weight (fuel, structure and payload) Wo = burnout weight (only structure and payload) c = exhaust velocity of the rocket 29. When Brust doesn't have a substitute, his class gets crazy loud. Find the sound intensity of Brust's Half-Life Decay DANGER A is the amount at time t A = A. () or A (2 ) -' class if it is measured at a level of 105 decibels during a day when Brust is in class. Ao - the amount at time = 0 h = half-life RADIOACTIVE MATERIAL Carbon-14 Dating A = A e -0.000124t A is the amount after t years Ao = the amount at time = 0 = time COMPOUND INTEREST GROWTH AND DECAY MODELS A = P ( 1 +!) " y = a(1+r)' e . time (rears Poprindped [initial Investment) " - enneed merest rose F a rate of duange n - the number of times the Interest in compounded (asid ) per year. . . icreate -. decrease CONTINUOUSLY COMPOUNDED INTEREST A = Pert t . prove (rears) . principal findesal lewvestment)