The corona and chromosphere are hotter than the photosphere
Indicate whether the statement is true or false
TRUE
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During a reaction, an element loses 4.8 × 10-28 kg of mass. How much energy (in Joules) is released?
A) 4.3 × 10-11 J B) 1.4 × 10-19 J C) 1.6 × 10-36 J D) 2.1 × 10-40 J E) 5.3 × 10-45 J
Regarding Ptolemy's and Copernicus's theories of astronomy, today we find that
A) both theories are useless because they disagree with the highly accurate measurements available today. B) Copernicus's theory is correct. C) Copernicus's theory is still useful, but more accurate theories are available today. D) both theories are false because we know that Kepler's theory is correct and precisely accurate. E) Ptolemy's theory is correct.
Jerome pitches a baseball of mass 0.300 kg. The ball arrives at home plate with a speed of 40.0 m/s and is batted straight back to Jerome with a return speed of 52.0 m/s. What is the magnitude of change in the ball's momentum?
a. 3.60 kg/m/s b. 12.0 kg/m/s c. 15.6 kg/m/s d. 27.6 kg/m/s e. 12.0 kg/m/s
Discuss whether it is possible to have a displacement whose magnitude is greater than the distance traveled
What will be an ideal response?