A particle travels 10 m in first 5 s and 10 m in next 3 s . assuming constant acceleration what is the distance traveled in the next 2 s ?

Question

options :-
1. 8.3 m
2. 9.3 m
3. 10.3 m
4. none of these

please answer with full explanation

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Answer 1 · 2017-08-07T05:17:58

#"1. 8.3 m"#

Particle travels #"10 m"# in first #5# seconds

Using equation of motion #"S = ut +"\ 1/2"at"^2#

#10 = "5u" + ("25a")/2#

Multiply both sides with #8#

#80 = "40u + 100a"# —