(1)Two small identical metal spheres, A and B, on
insulated stands, are each given a charge of +2.0 x
10^-6 coulomb. The distance between the spheres is
2.0 x 10^1meter. Calculate the magnitude of the
electrostatic force that the charge on sphere A
exerts on the charge on the sphere B. [Show all
work, including the equation and substitution with
units.] |

Heat from the sun reaches earth to a. radiation b. convection c. conduction

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.

Astudent wears sunglasses to her read a book more easily which wave interaction occurs as light passes from the air into the plastic lenses? a polarization b. refraction c. diffraction d. interference