Can some one help me with this question its hard :( down below ill give brainliest

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

70 give a real life example showing how sensory neurons work with the motor neurons

A15.75-g piece of iron absorbs 1086.75 joules of heat energy, and its temperature changes from 25°c to 175°c. what is the specific heat capacity of iron?