A sixth grader moves down the hall at 1.2 m/s. When he sees a bunch of eighth graders coming, he begins to run. After 3.2 s, he is moving at 3.6 m/s. What is his acceleration?

Aseries circuit consists of a resistor with r = 20 ? , a capacitor with c = 0.01 f, and a decaying battery with e = 300e? 5t. if the initial charge is 0, find the charge as a function of time t

Kate is working on a project in her tech education class. she plans to assemble a fan motor. which form of energy does the motor convert most of its electric energy into? a. light energy b. motion energy c. sound energy d. thermal energy

How many neutrons does element x if it’s atomic number is 28 and its mass number is 87