A car accelerates from rest at a constant rate a
for some time, after which it decelerates at a
constant rate B and comes to rest. If total time
elapsed is t, then maximum velocity acquired by
car will be
Bt
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A car accelerates from rest at a constant rate a
for some time, after which it decelerates at a
constant rate B and comes to rest. If total time
elapsed is t, then maximum velocity acquired by
car will be
Bt
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Verified answer
Let maximum velocity=v
Now,v=0+αt
1
Similarly, 0=v−βt
2
From the above equations we get,
t
1
=
α
v
&t
2
=
β
v
t
1
+t
2
=t=
α
v
+
β
v
⇒v=
α+β
αβ
t
hope it helps you