A stone is dropped from the top of a tall building. After 13 s of free fall, what is the displacement y of the stone

What happens to the light rays when they hit the specimen?

Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?

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