At a given instant the train engine at E has a speed of v 2012/ and an acceleration of a = 16 m/s acting in the direction shown. ( Figure 1)

Figure (1 of 1 > ▼ Y Part A Determine the rate of increase in the train's speed. Express your answer to three significant figures and include the appropriate units. Submit Part B Value Submit p= Value 1 Request Answer Provide Feedback Determine the radius of curvature p of the path. Express your answer to three significant figures and include the appropriate units. 3 + OR ? Request Answer Units Units ?