A baseball with mass of 0.145 kg is thrown straight down at the ground. At a particular speed, it has a drag force of 0.4 N acting on it. What is its acceleration at that time?

Question

-2.8m/s^2

Answer 1

.145 * 9.81 - .4 = 1.022 N down

a = F/m = 1.022/.145 = 7.05 m/s^2 down I get