What kind of model is shown below? о
A. Experimental model
O B. Computer model
O C. Mathematical model
O D. Physical model

Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct

What are the north and south poles of a solenoid change with?

Which statements did both aristotle and ptolemy assume? check all that apply.