A body is cooling in surroundings maintained at 10 degree celsius
Its temperature after t minutes is given by:
?dt??d(θ)??? = ?-k∗(θ-10), where k is a constant. If the temperature of the body is initially 70 degree celsius, & 10 minutes later is 40 degree celsius.
(a) Find k
(b) Find the body's temperature after further 15 minutes.