How much do you need to derate ampacity for 15 conductors in a raceway? A. 30%
B. 50%
C. 40%
D. 60%

Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system

Aracecar driver has to hold on tightly when going around a banked curve. approximately what is the centripetal force on a 2220.0 kg car going around a circle with a diameter of 190.0 meters at 25.0 m/s?

Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.