Physics Help Please!!?

Marvo

New member
1. A charge of 4.60 10-9 C is located 3.6 m from a charge of -2.65 10-9 C. Find the magnitude of the electrostatic force exerted by one charge on the other.

2. The Moon and Earth are bound together by gravity. If, instead, the force of attraction were the result of each having a charge of the same magnitude but opposite in sign, find the quantity of charge that would have to be placed on each to produce the required force.

3. A Sytrofoam® ball covered with a conducting paint has a mass of 5.8 10-3 kg and has a charge of 4.8 µC. What electric field directed upward will produce an electric force on the ball that will balance its weight?

4. Two protons in an atomic nucleus are typically separated by a distance of 2.0 10-15 m. The electric repulsion force between the protons is huge, but the attractive nuclear force is even stronger and keeps the nucleus from bursting apart. What is the magnitude of the electrical force between two protons whose centers are separated by 2.70 10-15 m?

5. An electric field of intensity 2.8 kN/C is applied along the x-axis. Calculate the electric flux through a rectangular plane 0.350 m wide and 0.700 m long if the following conditions are true.
(a)The plane is parallel to the yz-plane
(b)The plane is parallel to the xy-plane
(c)The plane contains the y-axis, and its normal makes an angle of 30.0° with the x-axis.
 
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