A planet's revolution around
the sun can be modeled by
swinging a ball on a string in
a...
Biology, 25.02.2021 14:00 claupatri120
A planet's revolution around
the sun can be modeled by
swinging a ball on a string in
a circle. In this model, which
of the following represents
gravity holding the planet in
orbit?
A. The ball
B. The string
C. The direction the ball is moving
Answers: 3
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