Math, asked by gunanidhidash75, 1 month ago

. A car start from rest and acquire a velocity of 54 km/h in 2 sec. Find the acceleration 

1) 6.5 m/s2

2) 7.5 m/s2

3) 4.5 m/s2

4) 3.5 m/s2 ​

Answers

Answered by 51202
0
Sorry bro !!
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Answered by Friendonbrainly
0

Answer:

acceleration= 7.5 m/s²

Step-by-step explanation:

According to the first equation of motion:

v=u+at----------(1)

Here,

u = 0

v = 54km/h

=(54*1000)/60*60

=15m/s

t= 2sec

Putting all the above value in (1), we get

15= 0+a*2

15/2= a

a= 7.5 m/s²

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