How does loosening a string on a guitar affect its natural frequency? 1) decreases 2) increases 3) stays the same 4) fluctuates

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

Carbon 14 is a naturally occurring stable

What equation is used to calculate the weight of an object on a plant ?