There are 300 seconds between the bell to the end of first and the bell to begin second period. A student exits his first period class immediately after the bell to end first period and enters the doorway of the second period class at the moment the bell to begin second period rings. He travels the route contained in the chart provided. What is the students average velocity?

What is the kinetic energy of a baseball moving at a speed of 40 m/s if the baseball has mass of 0.15 kg?

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?

One soccer player (a) is moving at 4 km/h when she kicks the ball while another soccer player (b) is moving at 8 km/h. what statement accurately compares their kinetic energy if they have the same mass? a) both soccer players have the same kinetic energy. b) player b has twice the kinetic energy of player a. c) player b has four times the kinetic energy of player a. d) their kinetic energy can't be compared without knowing their mass.