Si se tiene las cargas electricas q1=3Uc , q2= 4Uc ,q3= -2Uc ,q4= -4,5Uc determinar el valor resultante de la fuerza electrica en la carga q2 segun las figuras indicadas

A1000-kg weather rocket is launched straight up. the rocket motor provides a constant acceleration for 16-s, then the motor stops. the rocket altitude 20-s after launch is 510-m. you can ignore any effects of air resistance. a. what was the rocket’s acceleration during the first 16-s? b. what is the rocket’s speed as it passes through a cloud 5100-m above the ground?

For which pair of objects would adding the same a

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?