1. Identify the electrical properties of materials that are highly conductive and those that are used in insulation 2. Given a 10 V power supply, would a 20 ohm resistor and a 5 ohm resistor need to be arranged in parallel or in series to generate a current of 2.5 A
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Agymnast dismounts off the uneven bars in a tuck position with a radius of 0.3m (assume she is a solid sphere) and an angular velocity of 2rev/s. during the dismount she stretches out into the straight position, with a length of 1.5m, (assume she is a uniform rod through the center) for her landing. the gymnast has a mass of 50kg. what is her angular velocity in the straight position?

If a refrigerator is a heat pump that follows the first law of thermodynamics, how much heat was removed from food inside of the refrigerator if it released 380j of energy to the room?

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2