3. A force is acting on a moving object of mass 40kg. As a result, the velocity of the object changes from 20m/s to 12m/s. What is the work done by the force?​

Acommercial passenger jet can travel up to 970 km/hr at an altitude of 30,000 feet. at this speed, how long will it take the jet to travel 1,865 kilometers? a. 2.3 hrs b. 1.9 hrs c. 1.7 hrs d. 1.5 hrs

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?

Calculate the amount of heat produced when 18000 coulombs of charge is transferred in one hour through a potential difference of 50v