Answer:
the answer is b
Explanation:
gravity pulls you down so on a scale you will weigh more. less gravity you will weigh less.
Answer:
The value is 
Explanation:
From the question we are told that
The width of the slit is 
The distance of the screen from the slit is D = 1.25 m
The width of the central maximum is 
Generally the width of the central maximum is mathematically represented as

Here m is the order of the fringe and given that we are considering the central maximum, the order will be m = 1 because the with of the central maximum separate's the and first maxima
So

=> 
=> 
=> 
sorry accidentally posted here.
Answer:
D
Explanation:
a weak base is the answer
At one later moment, its speed is 1. 20Mm/s (non relativistic because v is much less than the speed of light).