Asoftball, of mass m = 0.195 kg, is pitched at a speed v0 = 25.3 m/s. due to air resistance, by the time it reaches home plate it has slowed by 11.9%. the distance between the plate and the pitcher is d = 13.7 m. calculate the average force of air resistance, fair, that is exerted on the ball during its movement from the pitcher to the plate.

Newton's law of cooling states that the rate of change in the temperature t(t) of a body is proportional to the difference between the temperature of the medium m(t) and the temperature of the body. that is, startfraction dt over dt endfraction equals upper k left bracket upper m left parenthesis t right parenthesis minus upper t left parenthesis t right parenthesis right bracket , where k is a constant. let kequals0.04 left parenthesis min right parenthesis superscript negative 1 and the temperature of the medium be constant, m(t) font size decreased by 3 equivalent font size decreased by 3 294 kelvins. if the body is initially at 369 kelvins, use euler's method with hequals0.1 min to approximate the temperature of the body after (a) 30 minutes and (b) 60 minutes.