What part of the wave determines how much energy it has? a.)amplitude b.)period c.)velocity d.)wavelength

Which type of reaction is shown in this energy diagram ?

How does the strength of the electrostatic force between an electron and a proton compare to the strength of the gravitational force between them?

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.