A train passes an observer standing on a platform. The first carriage of the train passes the observer in time t1=1 s & the second carriage in t2=1.5 s. Find its acceleration assuming it to be constant. The length of each carriage is ( = 12 m.) (A) 3.3 m/s?(B) -3.2m/s?(C) 24m/s?(D) -24m/s

A train passes an observer standing on a platform. The first carriage

1.	A train passes an observer standing on a platform. The first carriage of the train passes the observer in time t1=1 s & the second carriage in t2=1.5 s. Find its acceleration assuming it to be constant. The length of each carriage is ( = 12 m.) (A) 3.3 m/s?(B) -3.2m/s?(C) 24m/s?(D) -24m/s
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A train passes an observer standing on a platform. The first carriage of the train passes the observer in time t1=1 s & the second carriage in t2=1.5 s. Find its acceleration assuming it to be constant. The length of each carriage is ( = 12 m.) (A) 3.3 m/s?(B) -3.2m/s?(C) 24m/s?(D) -24m/s​

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A train passes an observer standing on a platform. The first carriage of the train passes the observer in time t1=1 s & the second carriage in t2=1.5 s. Find its acceleration assuming it to be constant. The length of each carriage is ( = 12 m.) (A) 3.3 m/s?(B) -3.2m/s?(C) 24m/s?(D) -24m/s