Iron has a specific heat of 450j/(kg*K). Design a set of three iron cooking pots. How much heat is required to increase the temperature of each pot by 100 K

Which change would make the diagram correct?

The researcher who studied the ability of cats to learn to escape from puzzle boxes was

The vector a? is 3.50 cm long and is directed into this page. vector b? points from the lower-right corner of this page to the upper-left corner of this page and has the components bx=-19.5 cm , by=25 cm. in the right-handed coordinate system, where the +x-axis directed to the right, the +y-axis toward the top of the page, and +z-axis out of the page, find the x-component of the vector product a? ×b? , measured in cm2.