Acharge of +0.001 c is 1 m to your right and another charge of +1000 c is 1 m to your left. you are holding a charge of −1 c. which of the following statements is/are true?

a. because the charge on the left is so much larger than the one on the right, there is no force from the +1 c charge on the charge you are holding.
b. the net force on the charge you are holding is to your right.
c. the force on the charge you are holding from the charge on your left is 1,000,000 times as large as the force from the charge on your right.
d. the magnitude of the force on the charge you are holding would be the same if it were +1 c instead of −1 c.

Amodel rocket with a mass of 0.212 kg is launched into the air with an initial speed of 84 m/s. how much kinetic energy will the rocket have at a height of 214 m? assume there is no wind resistance. 634 j 303 j

Alinearly polarized electromagnetic wave has an average intensity of 196 w/m^2. this wave is directed towards two ideal polarizers (in real polarizers, transmission is also effected by reflection and absorption). polarizer a is oriented with its transmission axis at an angle of θ_1=20.8∘ with the incident electric field. polarizer b has its axis at an angle of θ_2=63.0∘ with the incident electric field. what is the average intensity of the wave after it passes through polarizer a? what is the average intensity of the wave after it passes through polarizer b? suppose that the two polarizers a and b are interchanged. what would the average intensity be after passing through both polarizers?

If anyone who can me with this hw? i would really appreciate it