Question 10 of 10 Which three applications use technologies that apply the Doppler effect?
O A. Air-traffic control
B. Pest control
O C. Building inspection
D. Weather forecasting

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.