Answer to Question #107627 in Classical Mechanics for kin

Question

If a car accelerates from rest to 100 ms·1 in 5 seconds, what was itsacceleration?

Answer 1

As per the given question,

Initial speed of the car (u)=0

Final speed of the car (v)=100 m/sec

time (t)= 5 sec

we know that

$v=u+at$

Now, substituting the value in equation,

$\Rightarrow 100=0+a\times 5$

$a=\dfrac{100}{5}=20 m/sec^2$