Why are de Broglie waves associated with a moving football is not apparent to us?

Why are de-Broglie waves with a moving football not visible?

Why are de-Broglie waves with a moving foot ball not visible?

Why are de-Brogile waves with a moving football not visible?

What is de-Broglie wave?

a. Why de-Broglie wave associated with a moving car is not visible ? b. What is de-Broglie hypothesis? c. Give expressions for de-Broglie wavelength.

Show the wavelength of de Broglie wave associated with a moving particle is inversely proportional to its momentum.

The de Broglie wavelength associated with particle is