Apositively charged rod is brought close to an uncharged electroscope. while the rod is close, one's finger touches the far side of the metal ball on the electroscope. the finger is removed and then the rod is taken away. the electroscope is:

Two polarizers are oriented at 40∘ to each other and plane-polarized light is incident on them. if only 16 percent of the light gets through both of them, what was the initial polarization direction of the incident light?

10 points! will mark brainiest! in a heat engine if 1,000 j of heat enters the system and the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2,000 j 1: write the equation2: list out your known variables 3: plug the numbers into the equations 4: solve 5: write your solution statement that includes initial energy and final energy added you so much!

Decreased sensitivity to an unchanging stimulus is known as