Physics

Garrett Fisher

17 January, 08:38

g Over a time interval of 2.28 years, the velocity of a planet orbiting a distant star reverses direction, changing from + 22.4 km/s to - 17.5 km/s. Find (a) the total change in the planet's velocity (in m/s) and (b) its average acceleration (in m/s2) during this interval. Include the correct algebraic sign with your answers to convey the directions of the velocity and the acceleration.

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