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Get Answers to all your Questions
A car starts from rest and accelerates uniformly at 2 m/s² for 10 seconds. What is its final velocity?
Answers (1)
Using the equation of motion,
$$
v=u+a t
$$
here, $v \rightarrow$ final velocity
$u \rightarrow$ initial velocity
$a \rightarrow$ acceleration
$t \rightarrow$ time
Data given in the question,
- Initial velocity (u) = 0 m/s (since the car starts from rest)
- Acceleration (a) = 2 m/s2
- Time (t) = 10 s
Substituting the values in the equation,
$$
v=0+2(10)=20 \mathrm{~m} / \mathrm{s}
$$
The final velocity of the car is 20 m/s.
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