An isolated system consists of two particles shown above. particle 1 has charge +q and mass m. particle 2 has charge +2q and mass 2m. the ratio of the magnitude of the electrical force on particle 1 to the magnitude of the electrical force on particle 2 is.

a 1/4
b 1/2
c 1
d 2
e 4

Which statement best describes who the period and frequency of electromagnetic was change between gamma rays and microwaves? a) the period and frequency stay the same. b) the period increases and the frequency decreases. c) the period decreases and the frequency increases. d) the period increases and the frequency increases.

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.

The two required components for a generator