Practice question
Question
A bus starts from rest and moves with a uniform acceleration of 1.5 m/s² for 8 s . What is the final velocity of the bus?
Explanation
Given:
A bus starts from rest and moves with a uniform acceleration of 1.5 m/s² for 8 s . What is the final velocity of the bus?
These values define the system as per NCERT data.
Formula:
Use the equation v = v_0 + a t.
This is standard NCERT relation.
Substitution & Calculation:
Here, initial velocity v_0 = 0, acceleration a = 1.5 m/s², time t = 8 s . Substitute: v = 0 + 1.5 · 8 = 12 m/s . The final velocity is 12 m/s .
Result:
The computed value matches expected outcome and confirms correct choice as per NCERT.
Discussion
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