Skills for analyzing processes using the work-energy principle Evaluation 1...

Skills for analyzing processes using the work-energy principle

Evaluation 1 Your friend provides a solution to the following problem. Evaluate his solution. Constructively identify any mistakes he made and correct the solution. Explain possible reasons for the mistakes.

The problem: A 400-kg motorcycle, including the driver, travels up a 10-m-long ramp inclined 30° above the paved horizontal surface holding the ramp. The cycle leaves the ramp at speed 20 m/s. Determine the cycle’s speed just before it lands on the paved surface. Your friend’s solution: