A) What is the kinetic energy of an auto-mobile with a mass of 1297 kg traveling at a speed of 11 m/s? Answer in units of J.

b)What speed would a fly with a mass of 0.570 g need in order to have the same kinetic energy as the automobile?
Answer in units of m/s

Acar is traveling 35 mph on a smooth surface . if a balanced force is applied to the car what happens?

Diego is trying to lift a piano to the second floor of his house. diego uses a pulley system and gives a big lift to the piano.the piano moves upward, then stops, and then it starts to fall to the ground. which list best describes the forces on the piano in the proper order? positive force → balanced force → negative force negative force → balanced force → positive force positive force → unbalanced force → negative force negative force → unbalanced force → positive force

While preforming an experiment involving a reaction between two chemicals the scientist observes that the reaction container has become warm the observation is an example of