an object starts moving in straight line from rest and after 2 seconds velocity becomes 20 metre per second then find the total distance travelled by the object
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Answer: D= 20m
Explanation: V1 = zero , T = 2 s , V2 = 20m/s
*d = V1 t + 1/2 a t² , a = v/t = 20/2 = 10 m/s²
d = 0×2 + 1/2 ×10×2²= 20m
Answered by
27
Given :
- Initial velocity , u= 0 m/s
- Final velocity , v =20m/s
- Time , t= 2 sec
To Find :
The total distance travelled by the object
Kinematic equations for uniformly accelerated motion .
and
We have to Find the distance travelled by the object
By First Equation of Motion
Put the given values
Then ,
By using second Equation of motion
Put the given values , then
Therefore, The total distance travelled by the object is 20 m.
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