a +5mC at rest is 10 cm away from a+100mC stationary charge. (i) calculate the electric potential energy between the two charges. (ii) what is the electric potential energy when the +50 mC is 52cm away from the other charge? (iii) how much work was required to move the charge from 10cm to 50cm away from the stationary charge? (iv) what is the final speed of +5mC when it's 50cm away?

Write short note on the following ; collision theory, rotation angle and angular velocity, centripetal acceleration, coriolis force, and newton's law of gravitation.

Consider a 1000 w iron whose base plate is made of 0.5 cm thick aluminum alloy 2024-t6 (ρ = 2770 kg/m3 and cp = 875 j/kg°c). the base plate has a surface area of 0.03 m2. initially, the iron is in thermal equilibrium with the ambient air at 22°c. assuming 90% of the heat generated in the resistance wires is transferred to the plate, determine the minimum time needed for the plate temperature to reach 200°c.

Ineed ! using proper grammar, spelling, and punctuation, write at least one 5 sentence paragraph describing 3 ways we use the elements of the electromagnetic spectrum (ems) in our everyday lives.