Question

When a glass of wine with a certain temperature is placed into a room, its temperature will converge to the room's temperature according to the formula: Where F(t) is the temperature of the object after being in the room for t hours, F is the initial temperature of the object, and Fs is the temperature of the room that the object is in Use this formula to investigate the scenario below and answer the following questions. Homicide Investigation #2424-1 Veronica Sly: wife of Samuel Sly allegedly comes home and finds her husband dead. 9:08 PM -She calls 911 When questioned by the 911 dispatcher, Mrs. Sly claimed that she came home at 9:00 PM, took a bottle of red wine from the cellar, poured a glass, and then found her husband dead in the bedroom. 9:22 PM- Authorities arrive on the scene Mrs. Sly is immediately escorted to the police station for further questioning. 10:00 PM - CSI investigators measure several temperatures. Mrs. Sly's half full glass of wine temperature was 65 degrees. The wine cellar has the wine bottles chilled at 45 degrees. The house thermostat is set at 72 degrees.

Answer 1

t-I キ2-27xe-3 ● F(t) , フ70.t d.juus eei 7 10:ơ0-27m ins 9:33 PM フ 65 5-45 ee) 3

75 刊 65 t 55 t 60 - 45 0 .5 115 2 2-5 3 35 5 5