What is the mass of a box if when I slide it across the ground it takes 10. N of applied force to move it at a constant velocity, and 50. N of applied force to accelerate it at 2.0 m/s^2?

Adouble-slit experiment is performed with light of wavelength 600 nm. the bright interference fringes are spaced 1.8 mm apart on the viewing screen. what will the fringe spacing be if the light is changed to a wavelength of 400 nm? ?

Asystematic approach to problem solving is called a (an)

The energy released by a nuclear fusion reaction is produced when