How long is a leap year in the Gregorian calendar?
a year of exactly 365 days
a year of exactly 360 days
a year that is skipped in the Julian calendar
a year of exactly 366 days
a year of exactly 366 days
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List the four Galilean moons and describe their unique characteristics
What will be an ideal response?
In simple harmonic motion, when is the speed the greatest? (There could be more than one correct choice.)
A) when the magnitude of the acceleration is a maximum B) when the potential energy is a maximum C) when the potential energy is a zero D) when the displacement is a maximum E) when the magnitude of the acceleration is a minimum
A falling stone takes 0.33 s to travel past a window 2.2 m tall (Fig. 2-44). From what height above the top of the window did the stone fall?
What will be an ideal response?
A baseball outfielder throws a baseball of mass 0.15 kg at a speed of 40 m/s and initial angle of 30°. What is the kinetic energy of the baseball at the highest point of the trajectory?