dinapaul424
16.04.2020 •
Physics
Objects 1 and 2 attract each other with a electrostatic force of 18.0 units. If the distance separating of Object 1 is changed to four times the oroginal value the the new electrostatic force will be___ units.
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Ответ:
His AVERAGE speed during that time was 7.5 m/s .
Rolling for 2 s at an average speed of 7.5 m/s,
he covered (2 s) (7.5 m/s) = 15 m.