Trying to move a large object such as a furniture piece across carpet.
Answer:

Explanation:
Given,
Width of slit, W = 5.7 x 10⁻⁴ m
Distance between central bright fringe, L = 4 m
distance between central bright fringe and first dark fringe, y = 4 mm
Diffraction angle



Now.

m = 1



Answer:
knife or weapon
Explanation:
that could be dangerous...
My science teacher said that there is no equivalent unit to a newton