Which of these statements is (are) true?
1. An object can have zero acceleration and be at rest.
2. An object can have nonzero acceleration and be at rest.
3. An object can have zero acceleration and be in motion.
a) 1 only b) 1 and 3 c) 1 and 2 d) 1, 2, and 3
d) 1, 2, and 3
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