JEE Main · PhysicsEasy
A car starts from rest and moves with a constant acceleration of $a = 2 \text{ m/s}^2$. What is the velocity of the car after $t = 5 \text{ s}$?
- A.$5 \text{ m/s}$
- B.$10 \text{ m/s}$
- C.$15 \text{ m/s}$
- D.$20 \text{ m/s}$
Show correct answer & step-by-step solution
Correct answer: B — $10 \text{ m/s}$
Solution
Using the first equation of motion, , where , , and . Substituting these values gives .
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