Physics

Problem

Which of the following situations indicates that the object is accelerating? a) An elevator ascends at a steady

3\,\text{m}\!\cdot\!\text{s}^{-1}

. b) A block slides in a straight line at a steady

3\,\text{m}\!\cdot\!\text{s}^{-1}

. c) A bicycle rounds a curve at a steady

3\,\text{m}\!\cdot\!\text{s}^{-1}

. d) A skateboarder rolls down a slope at a steady

3\,\text{m}\!\cdot\!\text{s}^{-1}