A symmetrical airfoil produces what kind of pitching moments with increases in angle of attack?.

Heena wants to measure the volume of a ball that is 24 cm across. how should she set up her equation?

If frequency goes up, what happens to wavelength? does it get shorter or longer?

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.