When you rub a glass rod with silk. the rod becomes positive charged, and the silk becomes negative. also when you rub a rubber rod with fur, the rubber rod becomes negative and the fur becomes positively charge. question: 1. what happens if you rub a glass rod with fur? 2. what happens if you rub a rubber rod with silk?

The position of a dragonfly that is flying parallel to the ground is given as a function of time by r⃗ =[2.90m+(0.0900m/s2)t2]i^− (0.0150m/s3)t3j^. a: at what value of t does the velocity vector of the insect make an angle of 34.0 degree clockwise from the x-axis? b: at the time calculated in part (a), what is the magnitude of the acceleration vector of the insect? c : at the time calculated in part (a), what is the direction of the acceleration vector of the insect?

Which is not one of the major climate zones? question 3 options: rain forest polar tropical temperate

The pressure proportional to the area a- inversely b- directly c- increase d-decrease