a cup of coffee is sitting on a table in a recreational vehicle (rv). the cup slides toward the rear of the rv. according to newton's first law, which one or more of the following statements could describe the motion of the rv? (a) the rv is at rest, and the driver suddenly accelerates. (b) the rv is moving forward, and the driver suddenly accelerates. (c) the rv is moving backward, and the driver suddenly hits the brakes. (a) a (b) b (c) c (d) a and b (e) a, b, and c
