When each metal is hit with light at the minimum wavelength (see question #1) can you vary the intensity of the light to start emitting electrons?

Astone dropped into a well is heard to strike the water after 8seconds. find the depth of the well if the velocity of sound is 350m/s

Aknife blade is a(n) a. lever b. screw c. wedge d. inclined plane

Explain how the energy of rubber ball is tranforned as it roll down a ramp. give evidence that the energy of the og the ball remains the same at all points on the ramp