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Q.

Is it true that the first equation of motion is = u + at?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is true.
Consider a body travelling in a straight line with uniform acceleration for the derivation. The initial velocity is denoted by u, the acceleration is denoted by a, the time period is denoted by t, the final velocity is denoted by v, and the distance travelled is denoted by s.
We know that the rate of change of velocity is defined as the acceleration of the body.
Acceleration is represented mathematically as follows:
a=v-ut
where v represents the final velocity and u represents the beginning velocity
Rearranging the above equation yields the first equation of motion, which is as follows:
= u + at
This equation that relates the initial and final velocity of an object with its acceleration and time is known as the first equation of motion.
 
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