derive first equation of motion

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derive first equation of motion

derive first equation of motion

Q1-A body starts initially with a velocity ‘u’ and is accelerated at constant rate ‘a’. Find an expression for final velocity after time ‘.
Or Establish the relation : v = u + at.

First equation of motion– Let a body start with initial velocity u and after time t, its velocity becomes v due to uniform acceleration a. From the definition of acceleration,
acceleration=Change in velocity /Tíme taken
=(Final velocity – Initial velocity)/ Time taken
a =(v-u)/t
or
at = v – u
or
v = u + at

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derive first equation of motion