Write the name of the instrument used to transform the energy from one form following. 1. Mechanical energy from electricity- 2. Electricity from chemicals-

Ms.hidalgo opens the door to her classroom. her classroom is 60 degrees and the air outside is 80. predict what will happen using your knowledge of how heat flows.

Where is the potential energy throughout the loading, cocking, and releasing of the trebuchet?

The man of mass m1 and the woman of mass m2 are standing on opposite ends of the platform of mass m0 which moves with negligible friction and is initially at rest with s = 0. the man and woman begin to approach each other. derive an expression for the displacement s of the platform when the two meet in terms of the displacement x1 of the man relative to the platform.