Question

3. A car runs at uniform acceleration and attains a
velocity of 60 km per hour within 5 minutes starting
from rest. Find the acceleration,​

Answer 1

FINAL ANSWER:-

$acceleration=0.05\:m/s$

GIVEN:-

car runs at uniform acceleration and attains a velocity of 60 km $Velocity=60 km/hr$ ⇒ $\frac{5}{18}*60$ ⇒ $16.66m/s$

within 5 minutes $t=5*60$ ⇒ $300\:sec$ starting from rest

TO FIND:-

the acceleration

FORMULA USED:-

$v=u+at$

SOLUTION:-

Here , it’s said that car runs at uniform acceleration and attains a velocity of $16.66 \:m$ for $300\:sec$

So  

$v=16.66\:m/s\\u=0\:m/s (0 \:because \:initial \:velocity \:is \:at \:rest)\\a=?\\t=300\:sec\\v=u+at\\16.66=0+300a\\16.66=300a\\a=\frac{16.66}{300}\\a= 0.0555333333333333\:m/s\\a= 0.05\:m/s$

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Answer 2

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