After scientists have a number of ideas about robot movement in mind, what types of tests do they then perform?

When applying kirchhoff's rules, one of the essential steps is to mark each resistor with plus and minus signs to label how the electric potential changes from one end of the resistor to the other. the circuit in the drawing contains four resistors, each marked with the associated plus and minus signs. however, one resistor is marked incorrectly. which one is it?

What is the momentum of a 2 kg object moving at 15 meters per second

When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical