Answer:
A
Explanation:
the current passed in car is fixed and responsible for electric devices in car moves in one direction only but there are some cars has alternating cars to make induced current in its coils allowing it to move without fuel(as exception)
Answer:
In a truss bridge, two long - usually straight members known as chords - form the top and bottom; they are connected by a web of vertical posts and diagonals. The bridge is supported at the ends by abutments and sometimes in the middle by piers.
Explanation:
Hope it helps mark as brainliest pls
:)
Because the persons head is probably slammed into some part of the car and that means that the persons slammed on the brakes really hard so the person is probably injured
i hope this helps
Answer:
The order of maximum is 
Explanation:
From the question we are told that
The diffraction grating is k = 300 lines per mm = 300000 lines per m
The wavelength is 
Generally the condition for constructive interference is mathematically represented as
Here n is the order maximum
d is the distance the grating which is mathematically represented as
=> 
=> 
So
at maximum 
=> 
=>
