) The instantaneous velocity of an object is the _______ of the object with a ________.
2) An object is accelerating if it is moving_____ a) with changing speed b) extremely fast c) with constant velocity d) in a circle e) downward f) none of these Check all that apply
3) If an object is NOT accelerating, then no one knows for sure that it is _______ a) at rest b) moving with a constant speed c) slowing down d) maintaining a constant velocity