Volleyball Module 6.1: Kinetic Energy and Speed Grades 6-8 Welcome to your Volleyball Module 6.1: Kinetic Energy and Speed Grades 6-8 Teacher Email Student ID Is this your pre or post assessment? Pre-Assessment Post-Assessment Grade 3rd 4th 5th 6th 7th 8th 1. Use the following information to calculate the kinetic energy of a volleyball serve. K=½ MV2 The volleyball has a mass of 0.225 kg and a velocity of 10.4 m/s. a. 1.2 J b. 12.2 J c. 24.3 J d. 48.7 J None 2. According to the equation above, if the velocity (or speed) of a volleyball is increased, what will also increase? a. Mechanical Energy b. Force c. Kinetic Energy d. Mass None 3. Tina served the ball and calculates the kinetic energy at 18.7 J. Julia’s serve calculated kinetic energy at 20.3 J. Which would be more challenging to return? a. Tina’s b. Julia’s None Time's up
