Booklover1723 Booklover1723 19-05-2023 Chemistry contestada SOS!! Please help! I'm exhausted and I don't even know where to begin. Use the de Broglie's Wave Equation to find the wavelength of a 400 g ball moving at 120 m/s. Please show your work. Note: h = Planck's constant (6.62607 × 10-34 J*s)