Objects 1 and 2 attract each other with a electrostatic force of 72.0 units. If the charge of Object 1 is halved , then the new electrostatic force will be
only answer not explanation

How many neutrons does element x have if it’s stormy umber is 33 and it’s mass number is 95?

What are two different ways you could find the value of a? explain these methods.

Aresistor with an unknown resistance is connected in parallel to a 9 ω resistor. when both resistors are connected in parallel to an emf source of 21 v, the current through the unknown resistor is measured with an ammeter to be 4 a. what is the resistance of the unknown resistor? answer in units of ω.