O cascada are debitul 100 m3/s .Inaltimea este de 30 m calculati masa apei deversate intr-o secunda si puterea acestei cascade se considera g=10 N/kg si densitatea apri 1000 kg/m3

Two vectors are shown. which statement best compares the vectors? vector x has greater magnitude than vector y. vector y has greater magnitude than vector x. the vectors have the same displacement. the vectors have the same direction.

When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical

A2.0 μf capacitor and a 4.0 μf capacitor are connected in series across a 0.827-kv potential. the charged capacitors are then disconnected from the source and connected to each other with terminals of like sign together. find the voltage across each capacitor.