Particles q1, q2, and q3 are in a straight line. Particles q1 = -1.60 x 10-19 C, q2 = +1.60 x 10-19 C,
and q3 = -1.60 x 10-19 C. Particles q1 and q2 are
separated by 0.001 m. Particles q2 and q3 are
separated by 0.001 m.
What is the net force on q2?
Remember: Negative forces (-F) will point Left
Positive forces (+F) will point Right

explanation:

earth's surface is mainly heated by the absorption of infrared radiation from the sun.

evaporation occurs because molecules in liquid water are warmed ( usually by the sun) and vibrate quicker, becoming less dense and rise.

condensation occurs because molecules in water vapor are cooled and therefore vibrate more slowly thus becoming more dense and eventually fall to earth.

lines of equal barometric pressure on a weather map are called: isobars : lines of equal temp on a weather map are called: isotherms.​

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answer: 2×10^-2kg

explanation: density= mass per volume

vol=mass/density

converting to s.i units we have;

3÷1000kg = 0.003

1.5÷100m = 0.15

0.003/0.15 = 0.02kg