science
Grade-9
Easy
Question
Which of the following quantities cannot be calculated by directly using the third equation of motion?
- Initial velocity
- Acceleration
- Displacement
- Time
Hint:
The third equation of motion gives the final velocity of an object under uniform acceleration given the distance and initial velocity.
The correct answer is: Time
Time cannot be calculated by directly using the third equation of motion.
The third equation of motion is 
Where, v= final velocity
u = final velocity
a = acceleration
s = displacement.
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