Urgent: a 150 kg object takes 1.5 minutes to travel a 2500-meter straight path. it begins the trips traveling at 120 m/s and accelerates to a velocity of 20m/s. what was it's acceleration?

Adiver in midair has an angular velocity of 6.0 rad/s and a moment of inertia of 1.2 kg·m2. he then pulls is arms and legs into a tuck position and his angular velocity increases to 12 rad/s. the net external torque acting on the diver is zero. what is his moment of inertia in the tuck position?

Can anybody me with this? ? (picture included.)

Which fact supports the conclusion that there will be fewer farm managers in the future? a) a farmer manager’s duties vary by the type of farm. b) farm technology is replacing some administrative jobs c) farm managers often need experience but not education. d) administrative duties include budgeting and training staff.