A 0.00037m diameter hole is illuminated by light with a wavelength of 537 nm. What is the width of the central max on a screen 1.95m behind the slit?

The image shows the positions of a car on a roller coaster track. arrange the cars in order based on their gravitational potential energy. begin with the lowest potential energy and end with the highest.

Why does magnet 5 float above magnet 4

The doctor lands his tardis on a planet whose radius is 1.2x10^7m the acceleration due to gravity is 18m/s^2. what is the mass of the planet