A planet has no atmosphere. Which of these would be the least likely to be seen from this planet’s surface at night? A. a meteor

B. a meteorite

C. a comet

D. a meteoroid

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The answer is 4f======since electrostatic force is given by    we let f be the electrostatic force when  r = 1 m    if we let  denote the electrostatic force when the distance is decreased so that r = 0.5m, then    we established earlier that f = kq₁q₂. therefore    the force will now be 4f.

What kind of enegia produces the mixture of bicarbonate and vinegar  chemical producetion