Physics, 24.12.2019 06:31 domenicaBeBe2007
Aball is tossed straight up from the surface of a small, sphericalasteroid with no atmosphere. the aball rises to a height equal tothe asteroid's raidus and then falls straight down toward thesurface of the asteroid.
1. what forces act on the ball while it is on the way up?
1) only a decreasing gravitational force that acts downward.
2) only an increasing gravitational forces that acts downward
3) only a constant gravitation force that acts downward
4) both a constant gravitational force that acts downward and adecreasing force that acts upward
5) no forces act on the ball
2. the acceleration of the ball at the top of its path is1) at its max vlue for the ball's flightb) equal to the accleration at the surface of the asteroidc) equal to .5 the acceleration at the surface of the asteroidd) equal to 1/4 the acceleration at the surface of theasteroide) zero
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