. 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
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Sorry bro !!
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I am weak in maths
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Plz mark me as brainliest
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I am answering many questions but no one is marking me as brainliest
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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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