How much energy is needed to raise the temperature of 2.3 kg of aluminum from 5 °C to 15 °C? The specific heat capacity of aluminum is 897 J/kg°C. 20.631)
-20.631
39.78
39.783

Which lists the fundamental forces in order, from strongest to weakest? strong nuclear, weak nuclear, electromagnetic, gravitational strong nuclear, electromagnetic, weak nuclear, gravitational gravitational, weak nuclear, electromagnetic, strong nuclear electromagnetic, gravitational, strong nuclear, weak nuclear

Infrared radiation has wavelengths that are shorter than visible light is part of the visible light spectrum has wavelengths that are longer than visible light has the same wavelengths as ultraviolet radiation

In which type of system is power held solely by the central government and not shared with regional governments? group of answer choices federal unitary confederate oligarchic