Question

find the deceleration of car after braking.The car is moving with 72 km/h and comes to rest after half an hour​

Answer 1

Answer:

sorry

Explanation:

bro or sister

I does not have any idea of the question

but any one else would give your answer .

sorry

and especially good morning

Answer 2

Answer:

A = -0.011m/sec²

Step-by-step explanation:

First convert km/h to m/sec :

72km/h -> 72×5/18 = 20m/sec

30min -> 30×60 = 1800 sec

u= 20m/sec

v=0

t=1800 sec

a=v-u/t

a=0-20/1800

a= -0.011 m/sec²

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