A static change is a build-up of an electric charge in an object. A student can rub a balloon on her hair build-up an electric charge. Does the sketch show the charges before or after she has rubbed the balloon on her hair? explain how you know.

An airplane flies eastward and always accelerates at a constant rate. at one position along its path it has a velocity of 34.3 m/s, it then flies a further distance of 40100 m and afterwards its velocity is 47.5 m/s. find the airplane\'s acceleration and calculate how much time elapses while the airplane covers those 40100 m.

Apair of 10μf capacitors in a high-power laser are charged to 1.7 kv.a. what charge is stored in each capacitor? b. how much energy is stored in each capacitor?

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created