The charge of the first particle is -1.5 nC and the charge of the second particle is 2.5 nC. The particles are released are initially separated by 2.5 cm, having first particle released from rest position. The second particle is fixed at its location. What is the change in electrical potential energy when the first particle moved 1.0 cm?

What are the applications of electromagnetic waves

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2

During a medieval siege of a castle, the attacking army uses a trebuchet to hurl heavy stones at the castle walls. if the trebuchet launches the stones with a velocity of at an angle of 50.0°, (a) how long does it take the stone to hit the ground? (b) what is the maximum distance that the trebuchet can be from the castle wall to be in range? (c) how high will the stones go? show all your work.