Answer:
13.15m/s
Explanation:
1600÷8=200s
1200÷90=13.33s
50÷15= 3.33s
(1600+1200+50)/(200+13.33+3.33) = 13.15m/s
Heat causes the water molecules to move faster. As the molecules move apart, the water has a greater volume and less density.
Answer:
They are caused by outward fluctuations of the sun's magnetic field.
They tend to occur during active periods of the solar cycle.
Explanation:
While sun spots will appear darker than the surrounding surface, flares will tend to appear brighter. CME's are associated with massive flares.
Mass will remain unchanged, always. His weight, which is the gravitational force acting on that mass will be less in this case.
