A commercial diffraction grating has 300 lines per mm. When a student shines a 470 nm laser through this grating, how many brigh
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After x seconds, an object will fall 
where a is acceleration due to gravity and t is time
so when t=3.3
the distance it will fall is
=53.361m
it will fal 53.361 meters
so when t=3.3
the distance it will fall is
it will fal 53.361 meters