What does it mean axis 1-1' ?

True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.

Which of the following changes will increase the capacitance of a parallel-plate capacitor? (there could be more than one correct choice.) a) increase the charge on the plates b) decrease the poten5al between the plates c) increase the potential between the plates d) introduce a dielectric material between the plates e) decrease the separation between the plates

Aball is thrown horizontally from a cliff at 8m/s .in what direction is the ball moving 2s later?